| First | Last | Nickname | Ht. | Wt. | Reach | Stance | W | L | D | Belt |
|---|---|---|---|---|---|---|---|---|---|---|
| Niklas | Backstrom | 6' 1" | 145 lbs. | -- | Orthodox | 11 | 3 | 0 | ||
| Seth | Baczynski | The Polish Pistola | 6' 3" | 170 lbs. | 75.0" | Orthodox | 20 | 14 | 0 | |
| Abdul Azeem | Badakhshi | The Afghan Lion | -- | 145 lbs. | -- | 13 | 3 | 0 | ||
| Ryan | Bader | Darth | 6' 2" | 205 lbs. | 74.0" | Orthodox | 23 | 5 | 0 | |
| Izabela | Badurek | 5' 5" | 115 lbs. | -- | Orthodox | 6 | 3 | 0 | ||
| Miguel | Baeza | Caramel Thunder | 6' 2" | 170 lbs. | 74.0" | Orthodox | 10 | 4 | 0 | |
| Ali | Bagautinov | Puncher | 5' 4" | 125 lbs. | 65.0" | Orthodox | 15 | 6 | 0 | |
| Mehdi | Baghdad | The Sultan | 6' 1" | 155 lbs. | -- | Orthodox | 11 | 5 | 0 | |
| Melsik | Baghdasaryan | The Gun | 5' 9" | 145 lbs. | 70.0" | Southpaw | 8 | 2 | 0 | |
| Siyar | Bahadurzada | The Great | 5' 11" | 170 lbs. | 73.0" | Orthodox | 24 | 8 | 1 | |
| Ignacio | Bahamondes | La Jaula | 6' 3" | 155 lbs. | 75.0" | Orthodox | 16 | 5 | 0 | |
| Bahatebole | Batebolati | Lion King | 5' 8" | 170 lbs. | 71.0" | Southpaw | 10 | 1 | 1 | |
| Shamar | Bailey | 5' 9" | 155 lbs. | 75.0" | Southpaw | 16 | 11 | 0 | ||
| Jordan | Bailey | 5' 9" | 145 lbs. | -- | 6 | 3 | 0 | |||
| Scott | Baker | 6' 0" | 210 lbs. | -- | 1 | 1 | 0 | |||
| Bryan | Baker | The Beast | 6' 3" | 185 lbs. | -- | Orthodox | 18 | 5 | 0 | |
| Jin | Bala | 5' 9" | 155 lbs. | -- | 23 | 3 | 0 | |||
| Balajin | The Snow Leopard | 5' 9" | 145 lbs. | 72.0" | Orthodox | 23 | 4 | 0 | ||
| Oluwale | Bamgbose | Holy War Angel | 5' 11" | 185 lbs. | 78.0" | Switch | 6 | 4 | 0 | |
| Stephen | Banaszak | 6' 0" | 145 lbs. | -- | 5 | 5 | 0 | |||
| Marcin | Bandel | Bomba | 5' 10" | 155 lbs. | -- | Orthodox | 15 | 7 | 0 | |
| Humberto | Bandenay | 5' 11" | 145 lbs. | 71.0" | Southpaw | 14 | 7 | 0 | ||
| Tae Hyun | Bang | Supernatural | 5' 9" | 155 lbs. | 71.0" | Switch | 18 | 10 | 0 | |
| Yohan | Banks | -- | -- | -- | 2 | 1 | 0 | |||
| Shauna | Bannon | Mama B | 5' 5" | 115 lbs. | 65.0" | Switch | 6 | 1 | 0 | |
| Antonio | Banuelos | 5' 5" | 135 lbs. | 63.0" | Orthodox | 20 | 11 | 1 | ||
| Renan | Barao | The Baron | 5' 6" | 145 lbs. | 70.0" | Orthodox | 34 | 9 | 0 | |
| Junior | Barata | 5' 10" | 170 lbs. | -- | Orthodox | 9 | 3 | 1 | ||
| Maycee | Barber | The Future | 5' 5" | 125 lbs. | 65.0" | Switch | 14 | 2 | 0 | |
| Bryan | Barberena | Bam Bam | 6' 0" | 185 lbs. | 72.0" | Southpaw | 18 | 12 | 0 | |
| Dione | Barbosa | The Witch | 5' 6" | 125 lbs. | 66.0" | Orthodox | 7 | 3 | 0 | |
| Edson | Barboza | Junior | 5' 11" | 145 lbs. | 75.0" | Orthodox | 24 | 12 | 0 | |
| Raoni | Barcelos | 5' 7" | 135 lbs. | 67.0" | Orthodox | 18 | 5 | 0 | ||
| Daniel | Barez | 5' 6" | 125 lbs. | 66.0" | Orthodox | 17 | 6 | 0 | ||
| Danny | Barlow | LeftHand2God | 6' 2" | 170 lbs. | 79.0" | Southpaw | 9 | 0 | 0 | |
| Luke | Barnatt | The Bigslow | 6' 6" | 185 lbs. | 77.0" | Orthodox | 13 | 4 | 0 | |
| James | Barnes | Mooka | 5' 8" | 135 lbs. | 71.0" | Orthodox | 14 | 5 | 0 | |
| Nick | Barnes | 5' 11" | 170 lbs. | -- | 11 | 2 | 0 | |||
| Shonte | Barnes | Shyne | 5' 11" | 185 lbs. | 76.0" | Southpaw | 6 | 2 | 1 | |
| Josh | Barnett | The Warmaster | 6' 3" | 250 lbs. | 78.0" | Orthodox | 35 | 8 | 0 | |
| Chris | Barnett | Beastboy | 5' 9" | 265 lbs. | 75.0" | Orthodox | 23 | 9 | 0 | |
| Chris | Barnhizer | -- | -- | -- | 2 | 3 | 0 | |||
| David | Baron | 5' 6" | 155 lbs. | -- | Switch | 17 | 4 | 1 | ||
| Phil | Baroni | The New York Bad Ass | 5' 9" | 170 lbs. | 72.0" | Orthodox | 15 | 18 | 0 | |
| Dan | Barrera | The Fireman | 5' 9" | 170 lbs. | -- | Orthodox | 3 | 1 | 0 | |
| Carlos | Barreto | 6' 4" | 230 lbs. | -- | Orthodox | 14 | 9 | 0 | ||
| Jose | Barreto | -- | 185 lbs. | -- | Southpaw | 0 | 1 | 0 | ||
| Peter | Barrett | Slippery | 5' 10" | 145 lbs. | 73.0" | Southpaw | 11 | 5 | 0 | |
| Marc-Andre | Barriault | Powerbar | 6' 1" | 185 lbs. | 74.0" | Orthodox | 16 | 9 | 0 | |
| David | Barrios | 5' 6" | 145 lbs. | -- | 4 | 8 | 0 | |||
| Alexandre | Barros | Baixinho | 5' 9" | 170 lbs. | -- | Southpaw | 22 | 11 | 0 | |
| Ricardo | Barros | 6' 1" | 205 lbs. | -- | 2 | 2 | 0 | |||
| Francimar | Barroso | Bodao | 6' 1" | 205 lbs. | 75.0" | Orthodox | 19 | 7 | 0 | |
| Pat | Barry | HD | 5' 11" | 235 lbs. | 74.0" | Orthodox | 8 | 7 | 0 | |
| Dean | Barry | The Sniper | 5' 10" | 170 lbs. | 72.0" | Orthodox | 4 | 2 | 0 | |
| Enrique | Barzola | El Fuerte | 5' 7" | 145 lbs. | 70.0" | Orthodox | 17 | 5 | 2 | |
| Javid | Basharat | The Snow Leopard | 5' 9" | 135 lbs. | 69.0" | Orthodox | 14 | 1 | 0 | |
| Farid | Basharat | Ferocious | 5' 8" | 135 lbs. | 71.0" | Orthodox | 13 | 0 | 0 | |
| Austin | Bashi | 5' 6" | 145 lbs. | 70.0" | Orthodox | 13 | 0 | 0 | ||
| Stephen | Bass | Bigfish | 5' 9" | 145 lbs. | -- | Orthodox | 11 | 2 | 0 | |
| Sean | Bassett | -- | 155 lbs. | -- | 0 | 4 | 0 | |||
| Ryan | Bastianelli | Relentless | 5' 5" | 135 lbs. | -- | 6 | 7 | 0 | ||
| Shayna | Baszler | The Queen of Spades | 5' 7" | 135 lbs. | -- | Orthodox | 15 | 11 | 0 | |
| Michel | Batista | 6' 3" | 260 lbs. | -- | Orthodox | 4 | 1 | 0 | ||
| Bryan | Battle | The Butcher | 6' 1" | 170 lbs. | 77.0" | Orthodox | 12 | 2 | 0 | |
| Alan | Baudot | The Black Samourai | 6' 3" | 243 lbs. | 79.0" | Orthodox | 8 | 3 | 0 | |
| Mario | Bautista | 5' 9" | 135 lbs. | 69.0" | Switch | 15 | 2 | 0 | ||
| Chris | Beal | Real Deal | 5' 7" | 125 lbs. | 69.0" | Orthodox | 10 | 5 | 0 | |
| Donovan | Beard | The Highlight Reel | 6' 2" | 185 lbs. | 78.0" | Orthodox | 7 | 2 | 0 | |
| Rudy | Bears | 5' 11" | 170 lbs. | -- | Southpaw | 16 | 15 | 0 | ||
| Salvador | Becerra | 5' 9" | 155 lbs. | -- | 5 | 2 | 0 | |||
| Ariel | Beck | 5' 6" | 125 lbs. | 66.0" | Southpaw | 4 | 5 | 0 | ||
| Jeff | Bedard | Little Popeye | 5' 6" | 145 lbs. | -- | Orthodox | 13 | 3 | 0 | |
| Eric | Bedard | Lucky Strikes | 6' 2" | 239 lbs. | -- | 6 | 7 | 0 | ||
| Johnny | Bedford | Brutal | 5' 10" | 135 lbs. | 71.0" | Orthodox | 21 | 13 | 1 | |
| Rolando | Bedoya | The Machine | 5' 11" | 155 lbs. | 74.0" | Orthodox | 14 | 4 | 0 | |
| Chase | Beebe | 5' 7" | 135 lbs. | 67.0" | Orthodox | 24 | 13 | 1 | ||
| Lyle | Beerbohm | Fancy Pants | 5' 10" | 155 lbs. | -- | Southpaw | 24 | 3 | 0 | |
| Allan | Begosso | Mini | 5' 5" | 135 lbs. | 66.0" | Orthodox | 7 | 2 | 1 | |
| Mirsad | Bektic | 5' 8" | 145 lbs. | 70.0" | Orthodox | 13 | 4 | 0 | ||
| Diana | Belbita | The Warrior Princess | 5' 7" | 115 lbs. | 68.0" | Orthodox | 15 | 9 | 0 | |
| Alan | Belcher | The Talent | 6' 2" | 185 lbs. | 75.0" | Orthodox | 18 | 8 | 0 | |
| Vitor | Belfort | The Phenom | 6' 0" | 185 lbs. | 74.0" | Southpaw | 26 | 14 | 0 | |
| Yousri | Belgaroui | 6' 5" | 185 lbs. | 79.0" | Orthodox | 8 | 3 | 0 | ||
| Rodolfo | Bellato | Trator | 6' 3" | 205 lbs. | 77.0" | Orthodox | 12 | 2 | 0 | |
| Danilo | Belluardo | Caterpillar | 6' 0" | 155 lbs. | 74.0" | Southpaw | 12 | 5 | 0 | |
| Joey | Beltran | The Mexicutioner | 6' 1" | 185 lbs. | 75.0" | Orthodox | 17 | 14 | 0 | |
| Marco | Beltran | Psycho | 5' 8" | 125 lbs. | 69.0" | Orthodox | 8 | 6 | 0 | |
| Joseph | Benavidez | 5' 4" | 125 lbs. | 65.0" | Southpaw | 28 | 8 | 0 | ||
| Mike | Bencic | Batman | 6' 0" | 215 lbs. | -- | Orthodox | 1 | 2 | 0 | |
| Dave | Beneteau | Dangerous | 6' 2" | 250 lbs. | -- | Orthodox | 6 | 5 | 1 | |
| Karla | Benitez | 5' 3" | 113 lbs. | -- | 14 | 11 | 1 | |||
| Gabriel | Benitez | Moggly | 5' 8" | 155 lbs. | 71.0" | Southpaw | 23 | 13 | 0 | |
| Charles | Bennett | Krazy Horse | 5' 8" | 155 lbs. | -- | Orthodox | 30 | 33 | 2 | |
| Josh | Bennett | 6' 4" | 259 lbs. | -- | Orthodox | 11 | 14 | 0 | ||
| DeAnna | Bennett | The Argentine Assassin | 5' 4" | 125 lbs. | 68.0" | Orthodox | 8 | 3 | 1 | |
| Benjamin | Bennett | Mr. Alaska | 6' 0" | 170 lbs. | 73.0" | Switch | 7 | 1 | 0 | |
| Lance | Benoist | 5' 11" | 170 lbs. | 72.0" | Southpaw | 7 | 2 | 0 | ||
| Joe | Benoit | 5' 9" | 170 lbs. | -- | Orthodox | 11 | 4 | 0 | ||
| Ryan | Benoit | Baby Face | 5' 5" | 125 lbs. | 68.0" | Orthodox | 10 | 8 | 0 | |
| Pat | Benson | 5' 9" | 155 lbs. | -- | 3 | 5 | 3 | |||
| Len | Bentley | 5' 9" | 155 lbs. | -- | 10 | 6 | 0 | |||
| Steve | Berger | The Red Nosed Pitbull | 5' 11" | 170 lbs. | -- | Orthodox | 21 | 23 | 2 | |
| Kenneth | Bergh | 6' 2" | 205 lbs. | 74.0" | Orthodox | 8 | 0 | 0 | ||
| Bret | Bergmark | The Angry Hick | 5' 9" | 170 lbs. | -- | 6 | 1 | 1 | ||
| Keith | Berish | Sha Bang Bang | 6' 0" | 205 lbs. | -- | Orthodox | 5 | 1 | 0 | |
| Dennis | Bermudez | The Menace | 5' 6" | 155 lbs. | 66.0" | Orthodox | 17 | 9 | 0 | |
| Manny | Bermudez | The Bermudez Triangle | 5' 10" | 145 lbs. | 71.0" | Orthodox | 14 | 2 | 0 | |
| Talita | Bernardo | 5' 4" | 135 lbs. | 68.0" | Orthodox | 6 | 4 | 0 | ||
| Dave | Berry | -- | -- | -- | 0 | 1 | 0 | |||
| Keith | Berry | 6' 1" | 185 lbs. | -- | 15 | 14 | 1 | |||
| Dieusel | Berto | 5' 9" | 200 lbs. | -- | 0 | 3 | 0 | |||
| Edson | Berto | Little Tiger | 5' 6" | 155 lbs. | -- | Orthodox | 17 | 12 | 1 | |
| Allen | Berube | Monstah Lobstah | 5' 8" | 155 lbs. | -- | Orthodox | 4 | 3 | 0 | |
| Anton | Berzin | The Body Snatcher | 6' 2" | 205 lbs. | -- | Orthodox | 5 | 1 | 0 | |
| Scott | Bessac | 6' 4" | 245 lbs. | -- | 4 | 6 | 0 | |||
| Matt | Bessette | The Mangler | 5' 10" | 145 lbs. | 70.0" | Orthodox | 22 | 9 | 0 | |
| Khadzhi | Bestaev | Best | 6' 6" | 185 lbs. | 76.0" | 10 | 4 | 0 | ||
| Fernando | Bettega | -- | 170 lbs. | -- | 7 | 5 | 0 | |||
| Arjan | Bhullar | 6' 1" | 245 lbs. | 75.0" | Orthodox | 9 | 1 | 0 | ||
| KB | Bhullar | The Bengal | 6' 4" | 185 lbs. | 78.0" | Switch | 8 | 2 | 0 | |
| Bibulatov | Magomed | Chaborz | 5' 5" | 125 lbs. | 65.0" | Orthodox | 14 | 2 | 0 | |
| David | Bielkheden | 5' 10" | 155 lbs. | 71.0" | Orthodox | 24 | 12 | 0 | ||
| Blake | Bilder | El Animal | 5' 8" | 145 lbs. | 68.0" | Switch | 8 | 2 | 1 | |
| Jonas | Bilharinho | 5' 11" | 145 lbs. | 75.0" | Switch | 9 | 1 | 1 | ||
| Jeremiah | Billington | 5' 9" | 205 lbs. | -- | Orthodox | 11 | 2 | 0 | ||
| Scott | Bills | 5' 10" | 170 lbs. | -- | 7 | 9 | 1 | |||
| Anthony | Birchak | El Toro | 5' 8" | 135 lbs. | 69.0" | Orthodox | 16 | 8 | 0 | |
| Chris | Birchler | The Big Buck | 6' 3" | 205 lbs. | -- | Switch | 7 | 4 | 0 | |
| Angad | Bisht | 5' 7" | 125 lbs. | 67.0" | Orthodox | 10 | 3 | 0 | ||
| Michael | Bisping | The Count | 6' 1" | 185 lbs. | 75.0" | Orthodox | 30 | 9 | 0 | |
| Amaury | Bitetti | 5' 9" | 185 lbs. | -- | Orthodox | 5 | 2 | 0 | ||
| Caio | Bittencourt | Leao | 6' 0" | 185 lbs. | 75.0" | Orthodox | 14 | 7 | 0 | |
| Davi | Bittencourt | The Black | 5' 5" | 135 lbs. | 65.0" | Orthodox | 14 | 4 | 0 | |
| Simon | Biyong | -- | 205 lbs. | -- | 7 | 1 | 0 | |||
| Jan | Blachowicz | 6' 2" | 205 lbs. | 78.0" | Orthodox | 29 | 10 | 1 | ||
| Jason | Black | The Black Legion | 5' 8" | 155 lbs. | -- | Orthodox | 23 | 4 | 1 | |
| Brad | Blackburn | Bad Brad | 5' 10" | 170 lbs. | 73.0" | Orthodox | 18 | 13 | 1 | |
| Jason | Blackford | -- | -- | -- | 3 | 3 | 0 | |||
| Tom | Blackledge | -- | 205 lbs. | -- | Orthodox | 10 | 7 | 0 | ||
| Sherrard | Blackledge | The Thriller | 5' 11" | 155 lbs. | 75.0" | Orthodox | 5 | 1 | 0 | |
| Da'Mon | Blackshear | The Monster | 5' 10" | 135 lbs. | 72.0" | Switch | 15 | 7 | 1 | |
| Chasen | Blair | Mestizo | 5' 10" | 155 lbs. | 71.0" | Orthodox | 6 | 3 | 0 | |
| Erin | Blanchfield | Cold Blooded | 5' 4" | 125 lbs. | 66.0" | Orthodox | 13 | 2 | 0 | |
| Maximo | Blanco | Maxi | 5' 8" | 145 lbs. | 71.0" | Orthodox | 12 | 8 | 1 | |
| David | Blanco | 5' 7" | 145 lbs. | -- | 2 | 0 | 0 | |||
| Curtis | Blaydes | Razor | 6' 4" | 265 lbs. | 80.0" | Orthodox | 18 | 5 | 0 | |
| Tereza | Bleda | 5' 9" | 125 lbs. | 71.0" | Orthodox | 7 | 1 | 0 | ||
| Arlene | Blencowe | Angerfist | 5' 5" | 145 lbs. | -- | 9 | 6 | 0 | ||
| Byron | Bloodworth | 5' 8" | 135 lbs. | -- | Orthodox | 6 | 3 | 0 | ||
| Dashawn | Boatwright | Buck, the 400-pound Silverback | 6' 0" | 205 lbs. | -- | Orthodox | 3 | 1 | 0 | |
| Dan | Bobish | 6' 2" | 345 lbs. | -- | Southpaw | 17 | 9 | 0 | ||
| Mark | Bocek | 5' 8" | 155 lbs. | 75.0" | Orthodox | 12 | 5 | 0 | ||
| Kyle | Bochniak | Killer B | 5' 7" | 145 lbs. | 70.0" | Orthodox | 8 | 5 | 0 | |
| James | Bochnovic | 6' 4" | 205 lbs. | 81.0" | Orthodox | 8 | 3 | 0 | ||
| Jeremy | Boczulak | -- | -- | -- | 0 | 2 | 0 | |||
| Tim | Boetsch | The Barbarian | 6' 0" | 185 lbs. | 74.0" | Orthodox | 21 | 13 | 0 | |
| Galore | Bofando | 5' 11" | 170 lbs. | 72.0" | Switch | 5 | 3 | 0 | ||
| Jay | Bogan | -- | 145 lbs. | -- | 6 | 6 | 0 | |||
| Roman | Bogatov | 5' 8" | 155 lbs. | 73.0" | Orthodox | 10 | 1 | 0 | ||
| Derek | Bohi | Marshmallow | 6' 4" | 260 lbs. | -- | 8 | 5 | 0 | ||
| Jerry | Bohlander | 5' 11" | 199 lbs. | -- | Orthodox | 11 | 4 | 0 | ||
| Mandy | Bohm | Monster | 5' 7" | 125 lbs. | 71.0" | Orthodox | 8 | 2 | 0 | |
| Kotetsu | Boku | 5' 9" | 154 lbs. | -- | Orthodox | 25 | 11 | 2 | ||
| Gaston | Bolanos | The Dreamkiller | 5' 7" | 135 lbs. | 69.0" | Orthodox | 8 | 4 | 0 | |
| Kyle | Bolt | 6' 2" | 185 lbs. | -- | 8 | 4 | 0 | |||
| Denys | Bondar | Psycho | 5' 6" | 125 lbs. | 69.0" | Orthodox | 14 | 5 | 0 | |
| Luc | Bondole | 6' 2" | 205 lbs. | -- | 5 | 2 | 2 | |||
| Tony | Bonello | The Gun | 6' 2" | 185 lbs. | -- | 16 | 3 | 1 | ||
| Gabriel | Bonfim | Marretinha | 6' 1" | 170 lbs. | 72.0" | Orthodox | 16 | 1 | 0 | |
| Ismael | Bonfim | Marreta | 5' 8" | 155 lbs. | 71.0" | Orthodox | 20 | 4 | 0 | |
| Jesse | Bongfeldt | Water | 6' 0" | 185 lbs. | -- | Orthodox | 16 | 5 | 1 | |
| Marcos | Bonilla | Murder Marx | 5' 10" | 145 lbs. | -- | 4 | 4 | 0 | ||
| Stephan | Bonnar | The American Psycho | 6' 4" | 205 lbs. | 79.0" | Orthodox | 15 | 9 | 0 | |
| Rogerio | Bontorin | 5' 5" | 125 lbs. | 67.0" | Orthodox | 16 | 4 | 0 | ||
| Ray | Borg | The Tazmexican Devil | 5' 4" | 135 lbs. | 63.0" | Orthodox | 13 | 5 | 0 | |
| Igor | Borisov | 6' 0" | 235 lbs. | -- | Orthodox | 1 | 1 | 0 | ||
| Kevin | Borjas | El Gallo Negro | 5' 5" | 125 lbs. | 68.0" | Orthodox | 9 | 3 | 0 | |
| Calen | Born | 5' 8" | 170 lbs. | 72.0" | Switch | 7 | 1 | 0 | ||
| Caio | Borralho | The Natural | 6' 1" | 185 lbs. | 75.0" | Southpaw | 17 | 1 | 0 | |
| Zachary | Borrego | The Dragon | 6' 2" | 185 lbs. | 78.0" | Switch | 3 | 1 | 0 | |
| Viacheslav | Borshchev | Slava Claus | 5' 11" | 155 lbs. | 69.0" | Orthodox | 8 | 4 | 1 | |
| Tanner | Boser | The Bulldozer | 6' 2" | 205 lbs. | 75.0" | Orthodox | 21 | 10 | 1 | |
| Steve | Bosse | The Boss | 5' 11" | 205 lbs. | 72.0" | Orthodox | 12 | 2 | 0 | |
| Marcus | Bossett | The Grasshopper | 6' 1" | 215 lbs. | -- | Orthodox | 1 | 3 | 0 | |
| Chris | Bostick | -- | -- | -- | 6 | 3 | 0 | |||
| Poliana | Botelho | 5' 8" | 125 lbs. | 67.0" | Orthodox | 8 | 5 | 0 | ||
| Francois | Botha | White Buffalo | 6' 2" | 260 lbs. | -- | Orthodox | 0 | 1 | 0 | |
| Gregory | Bouchelaghem | 6' 2" | 183 lbs. | -- | Switch | 5 | 4 | 0 | ||
| Roy | Boughton | Black Dynamite | 6' 0" | 205 lbs. | -- | 14 | 8 | 0 | ||
| Rich | Bouphanouvong | 5' 7" | 170 lbs. | -- | 1 | 4 | 0 | |||
| Mike | Bourke | The Rhino | 6' 0" | 275 lbs. | -- | Orthodox | 10 | 16 | 1 | |
| Jess | Bouscal | -- | 155 lbs. | -- | 3 | 2 | 0 | |||
| Tai | Bowden | 5' 11" | 230 lbs. | -- | 1 | 1 | 0 | |||
| Melton | Bowen | The Punisher | 6' 0" | 225 lbs. | -- | Orthodox | 0 | 1 | 0 | |
| Kyron | Bowen | Bullseye | 6' 3" | 185 lbs. | 73.0" | Orthodox | 9 | 5 | 0 | |
| Brian | Bowles | 5' 7" | 135 lbs. | 70.0" | Orthodox | 10 | 3 | 0 | ||
| Roger | Bowling | Relentless | 5' 9" | 155 lbs. | 68.0" | Orthodox | 12 | 6 | 0 | |
| Blake | Bowman | 6' 2" | 170 lbs. | -- | 2 | 6 | 0 | |||
| Ashe | Bowman | The Archer | 5' 9" | 155 lbs. | -- | 9 | 11 | 0 | ||
| Anvar | Boynazarov | The Uzbek | 5' 9" | 145 lbs. | -- | Orthodox | 3 | 1 | 0 | |
| Colley | Bradford | 5' 7" | 145 lbs. | -- | 0 | 1 | 0 | |||
| Kyle | Bradley | 5' 9" | 155 lbs. | 71.0" | Orthodox | 19 | 12 | 0 | ||
| Paul | Bradley | The Gentleman | 5' 9" | 170 lbs. | -- | Orthodox | 23 | 8 | 0 | |
| Sean | Brady | 5' 10" | 170 lbs. | 72.0" | Orthodox | 17 | 1 | 0 | ||
| Ebenezer Fontes | Braga | Pitbull | 6' 0" | 199 lbs. | -- | Orthodox | 13 | 7 | 2 | |
| Ramiz | Brahimaj | 5' 10" | 170 lbs. | 72.0" | Orthodox | 11 | 5 | 0 | ||
| Adam | Bramhald | Samurai | 5' 10" | 135 lbs. | 70.0" | Orthodox | 13 | 3 | 0 | |
| Joe | Brammer | The South Side Strangler | 5' 8" | 155 lbs. | -- | Orthodox | 7 | 3 | 1 | |
| David | Branch | 6' 1" | 185 lbs. | 78.0" | Orthodox | 22 | 6 | 0 | ||
| Billy | Brand | 5' 6" | 135 lbs. | 65.0" | Orthodox | 5 | 2 | 0 | ||
| Diego | Brandao | DB | 5' 7" | 145 lbs. | 64.0" | Orthodox | 22 | 11 | 0 | |
| Bruna | Brasil | 5' 6" | 115 lbs. | 65.0" | Orthodox | 10 | 4 | 1 | ||
| Michael | Bravo | -- | 155 lbs. | -- | 7 | 4 | 0 | |||
| Martin | Bravo | El Toro | 5' 8" | 145 lbs. | 71.0" | Southpaw | 11 | 3 | 0 | |
| Roman | Bravo-Young | -- | 205 lbs. | -- | 0 | 1 | 0 | |||
| Mike | Breeden | Money | 5' 10" | 155 lbs. | 70.0" | Orthodox | 11 | 6 | 0 | |
| Tom | Breese | 6' 3" | 185 lbs. | 73.0" | Southpaw | 12 | 3 | 0 | ||
| Elves | Brener | 5' 10" | 155 lbs. | 72.0" | Orthodox | 16 | 5 | 0 | ||
| Chris | Brennan | The Westside Strangler | 5' 8" | 170 lbs. | -- | Orthodox | 21 | 13 | 1 | |
| Charlie | Brenneman | The Spaniard | 5' 10" | 155 lbs. | 70.0" | Orthodox | 19 | 8 | 0 | |
| Robert | Breslin | The Bullet | 5' 11" | 155 lbs. | -- | 3 | 9 | 0 | ||
| Mack | Brewer | -- | 205 lbs. | -- | 0 | 1 | 0 | |||
| Marcos | Brigagao | Ironside | 6' 3" | 205 lbs. | 76.0" | Southpaw | 11 | 1 | 0 | |
| Jason | Brilz | Hitman | 5' 11" | 205 lbs. | 71.0" | Orthodox | 22 | 6 | 1 | |
| Marcus | Brimage | The Bama Beast | 5' 4" | 135 lbs. | 71.0" | Southpaw | 7 | 7 | 0 | |
| Aaron | Brink | 6' 3" | 205 lbs. | -- | Orthodox | 26 | 26 | 0 | ||
| Henry | Briones | Bure | 5' 8" | 135 lbs. | 69.0" | Orthodox | 16 | 8 | 1 | |
| Marcelo | Brito | Jungle Boy | 6' 1" | 170 lbs. | -- | Orthodox | 13 | 8 | 0 | |
| Joanderson | Brito | Tubarao | 5' 8" | 145 lbs. | 72.0" | Orthodox | 17 | 4 | 1 | |
| Kaik | Brito | 5' 11" | 170 lbs. | 72.0" | Orthodox | 16 | 5 | 0 | ||
| Icaro | Brito | -- | 145 lbs. | -- | 7 | 1 | 0 | |||
| Antwain | Britt | The Juggernaut | 6' 1" | 205 lbs. | 77.0" | 11 | 6 | 0 | ||
| Drew | Brokenshire | -- | -- | -- | 16 | 6 | 0 | |||
| Mike | Bronzoulis | The Greek | 6' 0" | 155 lbs. | -- | 18 | 9 | 1 | ||
| Jonathan | Brookins | 6' 0" | 145 lbs. | 74.0" | Southpaw | 16 | 10 | 0 | ||
| Will | Brooks | Ill | 5' 10" | 155 lbs. | 72.0" | Orthodox | 18 | 4 | 0 | |
| Jarred | Brooks | The Monkey God | 5' 3" | 125 lbs. | 62.0" | Switch | 13 | 2 | 0 | |
| Rob | Broughton | The Bear | 6' 2" | 265 lbs. | 74.0" | Orthodox | 16 | 7 | 1 | |
| Lee | Brousseau | Manimal | 6' 1" | 205 lbs. | -- | 5 | 3 | 0 | ||
| Matt | Brown | The Immortal | 6' 0" | 170 lbs. | 75.0" | Orthodox | 26 | 19 | 0 | |
| Mike | Brown | 5' 6" | 145 lbs. | 70.0" | Orthodox | 26 | 9 | 0 | ||
| Dominic | Brown | 5' 11" | 190 lbs. | -- | 16 | 23 | 0 | |||
| Todd | Brown | Bulldog | 5' 11" | 205 lbs. | -- | Orthodox | 16 | 4 | 0 | |
| Terrell | Brown | -- | 185 lbs. | -- | 3 | 1 | 0 | |||
| Chris | Brown | -- | 170 lbs. | -- | 10 | 1 | 0 | |||
| Frederick | Brown | 6' 0" | 235 lbs. | -- | 3 | 2 | 0 | |||
| Randy | Brown | Rudeboy | 6' 3" | 170 lbs. | 78.0" | Orthodox | 19 | 5 | 0 | |
| Damien | Brown | Beatdown | 5' 10" | 155 lbs. | 68.0" | Orthodox | 17 | 12 | 0 | |
| TJ | Brown | Downtown | 5' 9" | 145 lbs. | 72.0" | Switch | 17 | 11 | 0 | |
| Humberto | Brown Morrison | 5' 10" | 145 lbs. | -- | 4 | 6 | 0 | |||
| Travis | Browne | Hapa | 6' 6" | 255 lbs. | 79.0" | Orthodox | 18 | 7 | 1 | |
| Junie | Browning | 5' 9" | 155 lbs. | -- | Orthodox | 5 | 6 | 0 | ||
| Jules | Bruchez | 6' 0" | 205 lbs. | -- | Southpaw | 1 | 2 | 0 | ||
| Justin | Bruckmann | Loaf | 5' 9" | 170 lbs. | -- | Orthodox | 7 | 3 | 0 | |
| Cody | Brundage | 6' 0" | 185 lbs. | 72.0" | Orthodox | 10 | 6 | 0 | ||
| Steve | Bruno | Hollywood | 5' 10" | 170 lbs. | -- | Orthodox | 15 | 6 | 0 | |
| Fernando | Bruno | Acougueiro | 5' 6" | 145 lbs. | -- | 15 | 4 | 0 | ||
| Derek | Brunson | The One | 6' 1" | 185 lbs. | 77.0" | Southpaw | 23 | 9 | 0 | |
| Josh | Bryant | The Beast | 5' 10" | 185 lbs. | -- | Orthodox | 15 | 4 | 0 | |
| Dennis | Bryant | The Beard | 6' 0" | 205 lbs. | -- | Orthodox | 5 | 2 | 0 | |
| Robert | Bryczek | 6' 0" | 185 lbs. | 75.0" | Orthodox | 17 | 6 | 0 | ||
| Lukasz | Brzeski | The Bull | 6' 4" | 236 lbs. | 78.0" | Orthodox | 9 | 5 | 1 | |
| Justin | Buchholz | 6' 0" | 155 lbs. | 73.0" | Orthodox | 15 | 10 | 0 | ||
| Zak | Bucia | 5' 10" | 170 lbs. | -- | 17 | 8 | 0 | |||
| Courtney | Buck | 5' 10" | 135 lbs. | -- | Orthodox | 12 | 11 | 0 | ||
| Joaquin | Buckley | New Mansa | 5' 10" | 170 lbs. | 76.0" | Southpaw | 20 | 6 | 0 | |
| Martin | Buday | Badys | 6' 4" | 265 lbs. | 77.0" | Orthodox | 14 | 2 | 0 | |
| Julia | Budd | 5' 7" | 145 lbs. | 67.0" | 10 | 2 | 0 | |||
| Dylan | Budka | The Mindless Hulk | 6' 0" | 185 lbs. | 75.0" | Switch | 7 | 4 | 0 | |
| Mike | Budnik | 5' 9" | 145 lbs. | 68.0" | Orthodox | 13 | 4 | 0 | ||
| Francisco | Bueno | 5' 9" | 225 lbs. | -- | Orthodox | 5 | 2 | 0 | ||
| Mayra | Bueno Silva | Sheetara | 5' 6" | 125 lbs. | 66.0" | Orthodox | 10 | 4 | 1 | |
| Paul | Buentello | The Headhunter | 6' 2" | 245 lbs. | 77.0" | Orthodox | 35 | 17 | 0 | |
| Modestas | Bukauskas | The Baltic Gladiator | 6' 3" | 205 lbs. | 78.0" | Switch | 16 | 6 | 0 | |
| Lee Kwan | Bum | 6' 2" | 286 lbs. | -- | Orthodox | 0 | 1 | 0 | ||
| Josh | Bumgarner | 6' 1" | 170 lbs. | -- | 6 | 4 | 0 | |||
| Shawn | Bunch | Bunch the Great | 5' 5" | 135 lbs. | -- | 7 | 3 | 0 | ||
| Felipe | Bunes | Felipinho | 5' 7" | 125 lbs. | 69.0" | Orthodox | 13 | 7 | 0 | |
| Shane | Burgos | Hurricane | 5' 11" | 145 lbs. | 75.0" | Orthodox | 15 | 3 | 0 | |
| Joshua | Burkman | The People's Warrior | 5' 10" | 170 lbs. | 72.0" | Orthodox | 28 | 16 | 0 | |
| Justin | Burlinson | 6' 1" | 170 lbs. | 74.0" | Switch | 6 | 1 | 0 | ||
| Mads | Burnell | 5' 8" | 145 lbs. | 69.0" | Orthodox | 9 | 3 | 0 | ||
| Mikey | Burnett | The Eastside Assassin | 5' 6" | 170 lbs. | -- | Orthodox | 5 | 2 | 0 | |
| Kevin | Burns | The Fire | 5' 10" | 170 lbs. | 74.0" | Orthodox | 12 | 7 | 0 | |
| Gilbert | Burns | Durinho | 5' 10" | 170 lbs. | 71.0" | Orthodox | 22 | 8 | 0 | |
| Josh | Burns | The Hammer | 6' 1" | 244 lbs. | -- | 8 | 10 | 0 | ||
| Herbert | Burns | The Blaze | 5' 9" | 145 lbs. | 73.0" | Orthodox | 11 | 6 | 0 | |
| Derrick | Burnsed | -- | 155 lbs. | -- | 1 | 0 | 3 | |||
| Nah-Shon | Burrell | The Rock n Rolla | 5' 11" | 170 lbs. | -- | Orthodox | 15 | 7 | 0 | |
| Martin | Buschkamp | 5' 9" | 145 lbs. | -- | Orthodox | 9 | 0 | 0 | ||
| George | Bush | 6' 1" | 205 lbs. | -- | 5 | 2 | 0 | |||
| Bubba | Bush | The Fightin' Texas Aggie | 6' 0" | 185 lbs. | -- | Orthodox | 8 | 3 | 0 | |
| Dakota | Bush | 5' 10" | 155 lbs. | 73.0" | Orthodox | 8 | 4 | 0 | ||
| Murilo | Bustamante | 6' 2" | 183 lbs. | -- | Orthodox | 15 | 8 | 1 | ||
| Nick | Bustamante | 5' 9" | 170 lbs. | -- | 5 | 3 | 0 | |||
| Eduardo | Bustillos | 5' 8" | 135 lbs. | -- | 5 | 3 | 0 | |||
| Jason | Butcher | 6' 3" | 185 lbs. | -- | 10 | 2 | 0 | |||
| Todd | Butler | 6' 1" | 200 lbs. | -- | Southpaw | 1 | 4 | 0 | ||
| Goldman | Butler | -- | -- | -- | 1 | 4 | 0 | |||
| Ian | Butler | 5' 8" | 155 lbs. | -- | 3 | 3 | 0 | |||
| Raphael | Butler | The Silencer | 6' 3" | 261 lbs. | -- | 9 | 2 | 1 | ||
| Jesse | Butler | 5' 10" | 135 lbs. | 73.0" | Orthodox | 12 | 6 | 0 | ||
| JP | Buys | Young Savage | 5' 5" | 135 lbs. | 67.0" | Orthodox | 9 | 6 | 0 | |
| Dennis | Buzukja | The Great | 5' 9" | 145 lbs. | 70.0" | Switch | 12 | 5 | 0 | |
| Charles | Byrd | Kid Dynamite | 5' 10" | 185 lbs. | 73.0" | Orthodox | 10 | 7 | 0 | |
| Steve | Byrnes | The Sergeant | 6' 0" | 170 lbs. | -- | Orthodox | 6 | 1 | 0 | |
| Michael | Byrnes | 5' 11" | 155 lbs. | -- | 5 | 3 | 0 |