et un commentateur débridé. Il a été trois fois King of Pancrase, ancien champion poids lourds de l'Ultimate Fighting Championship.
Il est aussi le fondateur du "The Bas Rutten System" et auteur de nombreux ouvrages et vidéo sur le combat libre.
| 28 victoires (12 (T)KOs, 13 soumissions, 3 décisions), 4 Défaites (3 soumission, 1 décision), 1 Draws. |
| Date | Résultat | Adversaire | Nom de l'évènement | Méthode | Round | Temps |
|---|
| Win | Ruben Villareal | KO (Leg Kicks) | WFA-King of the Streets | 7/22/2006 | 1 3:24 |
| Win | Kevin Randleman | Decision | UFC 20-Battle for the Gold | 5/7/1999 | 1 21:00 |
| Win | Tsuyoshi Kohsaka | KO | UFC 18-Road to the Heavyweight Title | 1/8/1999 | 1 14:15 |
| Win | Kengo Watanabe | TKO (Lost Points) | Pancrase-1998 Anniversary Show | 9/14/1998 | 1 2:58 |
| Win | Keiichiro Yamamiya | Submission (Rear Naked Choke) | Pancrase-Alive 11 | 12/20/1997 | 1 4:58 |
| Win | Osami Shibuya | Submission (Body Crunch) | Pancrase-1997 Anniversary Show | 9/6/1997 | 1 3:15 |
| Win | Takaku Fuke | Submission | Pancrase-Alive 7 | 6/30/1997 | 1 4:28 |
| Win | Kiuma Kunioku | Decision (Lost Points) | Pancrase-Alive 4 | 4/27/1997 | 1 15:00 |
| Draw | Osami Shibuya | Draw | Pancrase-Alive 3 | 3/22/1997 | 1 15:00 |
| Win | Ruben Peralta | Lost by points | Pancrase-Truth 7 | 10/8/1996 | 1 0:54 |
| Win | Masakatsu Funaki | TKO (Lost Points) | Pancrase-1996 Anniversary Show | 9/7/1996 | 1 17:05 |
| Win | Jason Delucia | TKO | Pancrase-Truth 6 | 6/25/1996 | 1 8:48 |
| Win | Frank Shamrock | TKO (Cut) | Pancrase-Truth 5 | 5/16/1996 | 1 11:11 |
| Win | Katsuomi Inagaki | TKO (Lost Points) | Pancrase-Truth 4 | 4/8/1996 | 1 14:07 |
| Win | Guy Mezger | Submission | Pancrase-Truth 2 | 3/2/1996 | 1 19:36 |
| Win | Ryushi Yanagisawa | Submission (Choke) | Pancrase-Eyes Of Beast 7 | 12/14/1995 | 1 27:35 |
| Win | Maurice Smith | Submission (Choke) | Pancrase-Eyes Of Beast 6 | 11/4/1995 | 1 4:34 |
| Win | Minoru Suzuki | Submission (Guillotine Choke) | Pancrase-1995 Anniversary Show | 9/1/1995 | 1 15:35 |
| Win | Frank Shamrock | Decision (Split) | Pancrase-1995 Neo-Blood Tournament, Round 2 | 7/23/1995 | 1 15:00 |
| Win | Jason Delucia | Submission | Pancrase-Eyes Of Beast 5 | 6/13/1995 | 1 1:32 |
| Win | Maurice Smith | Submission (Kneebar) | Pancrase-Eyes Of Beast 4 | 5/13/1995 | 1 2:10 |
| Win | Takaku Fuke | Submission | Pancrase-Eyes Of Beast 3 | 4/8/1995 | 1 1:52 |
| Loss | Ken Shamrock | Submission (Kneebar) | Pancrase-Eyes Of Beast 2 | 3/10/1995 | 1 1:01 |
| Win | Manabu Yamada | TKO (Strikes) | Pancrase-Eyes Of Beast 1 | 1/26/1995 | 1 1:05 |
| Loss | Frank Shamrock | Decision (Majority) | Pancrase-King of Pancrase Tournament, Round 1 | 12/16/1994 | 1 10:00 |
| Win | Jason Delucia | Submission (Guillotine Choke) | Pancrase-Road To The Championship 5 | 10/15/1994 | 1 1:43 |
| Loss | Ken Shamrock | Submission | Pancrase-Road To The Championship 3 | 7/26/1994 | 1 16:42 |
| Win | Minoru Suzuki | KO | Pancrase-Road To The Championship 2 | 7/6/1994 | 1 3:43 |
| Win | Yoshiki Takahashi | TKO | Pancrase-Road To The Championship 1 | 5/31/1994 | 1 1:37 |
| Win | Vernon White | Submission | Pancrase-Pancrash! 3 | 4/21/1994 | 1 1:16 |
| Loss | Masakatsu Funaki | Submission (Toehold) | Pancrase-Pancrash! 1 | 1/19/1994 | 1 2:58 |
| Win | Takaku Fuke | KO | Pancrase-Yes, We are Hybrid Wrestlers 2 | 10/14/1993 | 1 2:03 |
| Win | Ryushi Yanagisawa | KO | Pancrase-Yes, We are Hybrid Wrestlers 1 | 9/21/1993 | 1 0:43 |