Pedro Rizzo has 11 losses against 10 opponents on his MMA record. For a list of Rizzo's best fights, refer to "Best fights of Pedro Rizzo".
On May 26, 2013 Pedro Rizzo faced off against Satoshi Ishii in a heavyweight bout at age 39. He was coming in with a record of 19-11 (15), and Ishii was 26 years old and with a record of 7-2-1 (3). Rizzo lost the fight via 3-round unanimous decision.
On June 21, 2012 Pedro Rizzo faced off against Fedor Emelianenko in a heavyweight bout at age 38. He was coming in with a record of 19-10 (15), and Emelianenko was 35 years old and with a record of 33-4 (25). Rizzo lost the fight via 1st-round KO.
On June 27, 2009 Pedro Rizzo faced off against Gilbert Yvel in a heavyweight bout at age 35. He was coming in with a record of 16-9 (13), and Yvel was 32 years old and with a record of 35-13-1 (35). Rizzo lost the fight via 1st-round KO.
On July 19, 2008 Pedro Rizzo faced off against Josh Barnett in a heavyweight bout at age 34. He was coming in with a record of 16-8 (13), and Barnett was 30 years old and with a record of 25-5 (20). Rizzo lost the fight via 2nd-round KO.
On February 26, 2006 Pedro Rizzo faced off against Roman Zentsov in a heavyweight bout at age 31. He was coming in with a record of 14-7 (12), and Zentsov was 32 years old and with a record of 11-9 (10). Rizzo lost the fight via 1st-round KO.
On June 26, 2005 Pedro Rizzo faced off against Sergei Kharitonov in a heavyweight bout at age 31. He was coming in with a record of 14-6 (12), and Kharitonov was 24 years old and with a record of 11-2 (11). Rizzo lost the fight via 1st-round TKO.
On February 28, 2003 Pedro Rizzo faced off against Vladimir Matyushenko in a heavyweight bout at age 28. He was coming in with a record of 12-5 (11), and Matyushenko was 32 years old and with a record of 12-2 (8). Rizzo lost the fight via 3-round unanimous decision.
On September 27, 2002 Pedro Rizzo faced off against Gan McGee in a heavyweight bout at age 28. He was coming in with a record of 12-4 (11), and McGee was 25 years old and with a record of 10-1 (9). Rizzo lost the fight via 1st-round TKO.
On November 2, 2001 Pedro Rizzo fought Randy Couture in a heavyweight title fight for Couture's UFC Championship title. Rizzo was 27 years old and with a record of 11-3 (10), and Couture was 38 years old and with a record of 9-3 (4). Rizzo lost the fight via 3rd-round TKO.
On May 4, 2001 Pedro Rizzo fought Randy Couture in a heavyweight title fight for Couture's UFC Championship title. Rizzo was 27 years old and with a record of 11-2 (10), and Couture was 37 years old and with a record of 8-3 (4). Rizzo lost the fight via 5-round unanimous decision.
On June 9, 2000 Pedro Rizzo fought Kevin Randleman in a heavyweight title fight for Randleman's UFC Championship title. Rizzo was 26 years old and with a record of 9-1 (8), and Randleman was 28 years old and with a record of 8-3 (5). Rizzo lost the fight via 5-round unanimous decision.