| Last Fight: | Nick Diaz |
| Age: | 52 |
| Height | 5'10" |
| Weight | 185 lbs |
| Nick Name: | N/A |
| Nationality: | United States |
| Association: | The Alliance |
| Residence | San Jose, California, U.S. |
| Reach | 71 in (180 cm) |
| Team | Lion's Den (1994–98)The Alliance (1998–2010) |
| Rank | 7th degree Black belt in Submission fighting |
| Years active | 1994–2000, 2003, 2006-2010 |
| Children | 2 |
| W / L | Opponent | Event/Date | Method | Referee | Round | Time |
|---|---|---|---|---|---|---|
| loss | Nick Diaz | Strikeforce - Shamrock vs. Diaz Apr/11/2009 |
TKO (Punches) | John McCarthy | 2 | 3:57 |
| loss | Cung Le | Strikeforce - Shamrock vs. Le Mar/29/2008 |
TKO (Broken Arm) | Mario Yamasaki | 3 | 5:00 |
| win | Phil Baroni | Strikeforce-EliteXC - Shamrock vs. Baroni Jun/22/2007 |
Technical Submission (Rear-Naked Choke) | Steve Mazzagatti | 2 | 4:00 |
| loss | Renzo Gracie | EliteXC - Destiny Feb/10/2007 |
Disqualification (Knees to Downed Opponent) | Herb Dean | 2 | 2:00 |
| win | Cesar Gracie | Strikeforce - Shamrock vs. Gracie Mar/10/2006 |
KO (Punches) | Nelson Hamilton | 1 | 0:21 |
| win | Bryan Pardoe | WEC 6 - Return of a Legend Mar/27/2003 |
Submission (Armbar) | Josh Rosenthal | 1 | 1:46 |
| win | Elvis Sinosic | K-1 - Grand Prix 2000 Final Dec/10/2000 |
Decision | 5 | 3:00 | |
| win | Tito Ortiz | UFC 22 - There Can Be Only One Champion Sep/24/1999 |
TKO (Submission to Punches) | John McCarthy | 4 | 4:42 |
| draw | Kiyoshi Tamura | Rings - Rise 2nd Apr/23/1999 |
Draw | Ryogaku Wada | 1 | 20:00 |
| win | John Lober | UFC 17.5 - Ultimate Brazil Oct/16/1998 |
TKO (Submission to Punches) | John McCarthy | 1 | 7:40 |
| win | Jeremy Horn | UFC 17 - Redemption May/15/1998 |
Submission (Kneebar) | John McCarthy | 1 | 16:28 |
| win | Igor Zinoviev | UFC 16 - Battle in the Bayou Mar/13/1998 |
KO (Slam) | John McCarthy | 1 | 0:22 |
| win | Kevin Jackson | UFC 15.5 - Ultimate Japan 1 Dec/21/1997 |
Submission (Armbar) | John McCarthy | 1 | 0:16 |
| win | Enson Inoue | VTJ 1997 - Vale Tudo Japan 1997 Nov/29/1997 |
Disqualification (Egan Inoue Ran Into the Ring) | Yasuyuki Ogata | 2 | 7:17 |
| win | Wes Gassaway | WPC - World Pankration Championships 1 Oct/26/1997 |
Disqualification (Rope Escapes) | 1 | 11:54 | |
| win | Tsuyoshi Kosaka | Rings - Extension Fighting 7 Sep/26/1997 |
Decision | 1 | 30:00 | |
| loss | John Lober | SB 3 - SuperBrawl 3 Jan/17/1997 |
Decision (Split) | 1 | 30:00 | |
| loss | Kiuma Kunioku | Pancrase - Truth 10 Dec/15/1996 |
Decision (Unanimous) | Hiromi Okamoto | 1 | 20:00 |
| loss | Yuki Kondo | Pancrase - 1996 Anniversary Show Sep/07/1996 |
KO (Head Kick) | Kenji Kosuge | 1 | 12:43 |
| win | Manabu Yamada | Pancrase - 1996 Neo-Blood Tournament, Round 1 Jul/22/1996 |
Submission (Rear-Naked Choke) | Hiromi Okamoto | 1 | 12:44 |
| loss | Bas Rutten | Pancrase - Truth 5 May/16/1996 |
TKO (Doctor Stoppage) | Soichi Hiroto | 1 | 11:11 |
| win | Osami Shibuya | Pancrase - Truth 4 Apr/07/1996 |
Decision (Lost Points) | Hiromi Okamoto | 1 | 15:00 |
| win | Ryushi Yanagisawa | Pancrase - Truth 2 Mar/02/1996 |
Decision (Lost Points) | Soichi Hiroto | 1 | 20:00 |
| win | Minoru Suzuki | Pancrase - Truth 1 Jan/28/1996 |
Submission (Kneebar) | Soichi Hiroto | 1 | 22:53 |
| win | Vernon White | Pancrase - Eyes Of Beast 7 Dec/14/1995 |
Submission (Achilles Lock) | Kenji Kosuge | 1 | 5:23 |
| win | Masakatsu Funaki | Pancrase - Eyes Of Beast 6 Nov/04/1995 |
Submission (Toe Hold) | Soichi Hiroto | 1 | 10:31 |
| win | Takafumi Ito | Pancrase - 1995 Anniversary Show Sep/01/1995 |
Submission (Rear-Naked Choke) | Hiromi Okamoto | 1 | 7:23 |
| loss | Bas Rutten | Pancrase - 1995 Neo-Blood Tournament Second Round Jul/23/1995 |
Decision (Split) | Hiromi Okamoto | 1 | 15:00 |
| win | Takaku Fuke | Pancrase - Eyes Of Beast 5 Jun/13/1995 |
Submission (Rear-Naked Choke) | Soichi Hiroto | 1 | 8:16 |
| draw | Allan Goes | Pancrase - Eyes Of Beast 4 May/13/1995 |
Draw (Majority) | Masaaki Hirahara | 1 | 10:00 |
| win | Minoru Suzuki | Pancrase - Eyes Of Beast 3 Apr/08/1995 |
Submission (Rear-Naked Choke) | Soichi Hiroto | 1 | 3:23 |
| loss | Masakatsu Funaki | Pancrase - Eyes Of Beast 2 Mar/10/1995 |
Submission (Ankle Lock) | Soichi Hiroto | 1 | 5:11 |
| win | Katsuomi Inagaki | Pancrase - Eyes Of Beast 1 Jan/26/1995 |
Submission (Rear-Naked Choke) | Hiromi Okamoto | 1 | 6:14 |
| loss | Manabu Yamada | Pancrase - King of Pancrase Tournament Opening Round Dec/16/1994 |
Submission (Achilles Lock) | Masaaki Hirahara | 1 | 8:38 |
| win | Bas Rutten | Pancrase - King of Pancrase Tournament Opening Round Dec/16/1994 |
Decision (Majority) | Hiromi Okamoto | 1 | 10:00 |