Here is a list of Diaz's best fights. For a list of Diaz's losses, refer to "Nick Diaz Losses".
On January 30, 2010 Nick Diaz fought Marius Žaromskis in a welterweight title fight for Žaromskis' Strikeforce Championship title. Diaz was 26 years old and with a record of 21-7 (18), and Žaromskis was 29 years old and with a record of 14-3 (13). Diaz stopped Marius Žaromskis via 1st-round TKO and is crowned the new Strikeforce welterweight champion.
On April 9, 2011 Nick Diaz met Paul Daley in a welterweight (Strikeforce Championship) title defense fight. Diaz was 27 years old and with a record of 25-7 (21), and Daley was 28 years old and with a record of 26-9-2 (22). Diaz stopped Paul Daley via 1st-round TKO and successfully defended his title.
On February 5, 2005 Nick Diaz faced off against Drew Fickett in a welterweight bout at age 21. He was coming in with a record of 10-3 (9), and Fickett was 25 years old and with a record of 24-2 (17). Diaz stopped Drew Fickett via TKO.
On January 29, 2011 Nick Diaz met Evangelista Santos in a welterweight (Strikeforce Championship) title defense fight. Diaz was 27 years old and with a record of 24-7 (20), and Santos was 33 years old and with a record of 18-13 (16). Diaz stopped Evangelista Santos via 2nd-round submission and successfully defended his title.
On November 18, 2006 Nick Diaz faced off against Gleison Tibau in a welterweight bout at age 23. He was coming in with a record of 14-6 (12), and Tibau was 23 years old and with a record of 16-2 (11). Diaz stopped Gleison Tibau via TKO.
On April 2, 2004 Nick Diaz faced off against Robbie Lawler in a welterweight bout at age 20. He was coming in with a record of 9-2 (8), and Lawler was 22 years old and with a record of 8-1 (6). Diaz stopped Robbie Lawler via KO.
On May 29, 2010 Nick Diaz faced off against Hayato Sakurai in a welterweight bout at age 26. He was coming in with a record of 22-7 (19), and Sakurai was 34 years old and with a record of 35-10-2 (21). Diaz stopped Hayato Sakurai via submission.
On April 11, 2009 Nick Diaz faced off against Frank Shamrock in a lightweight bout at age 25. He was coming in with a record of 19-7 (16), and Shamrock was 36 years old and with a record of 23-9-2 (15). Diaz stopped Frank Shamrock via TKO.
On June 4, 2005 Nick Diaz faced off against Koji Oishi in a welterweight bout at age 21. He was coming in with a record of 11-3 (10). Diaz stopped Koji Oishi via KO.
On October 29, 2011 Nick Diaz faced off against B.J. Penn in a welterweight bout at age 28. He was coming in with a record of 26-7 (21), and Penn was 32 years old and with a record of 16-7-2 (13). Diaz won the fight via 3-round unanimous decision.