Pedro Rizzo, a seasoned mixed martial artist, competed with a record of 20 wins, 11 losses, and no draws. He established himself in the heavyweight division, weighing 241 lbs. Standing at 6' 1", Rizzo adopted an orthodox stance during his fights. Throughout his UFC career, Pedro demonstrated a significant strikes per minute average of 1.93, with a striking accuracy of 34%. However, he also absorbed a considerable number of strikes, averaging 3.02 per minute, and maintained a strike defense rate of 50%. His takedown attempts were less frequent, with an average of 0.26 per 15 minutes, and he achieved a takedown accuracy of 28%. Notable victories in Rizzo's career include his win against Dan Severn, who held an ELO rating of 1100 at the time. In terms of recent fight history, Pedro secured a knockout victory over Andrei Arlovski in March 2002, but suffered losses to Gan McGee and Vladimir Matyushenko in September 2002 and February 2003, respectively. He rebounded with a win against Tra Telligman via knockout in June 2003 and ended his career on a draw with Ricco Rodriguez in November 2003.
| Date | Event | Opponent | Method | Round | Time | Result |
|---|---|---|---|---|---|---|
| 2003-11-21 | UFC 45: Revolution | Ricco Rodriguez | U-DEC | 3 | 5:00 | Win |
| 2003-06-06 | UFC 43: Meltdown | Tra Telligman | KO/TKO | 2 | 4:24 | Win |
| 2003-02-28 | UFC 41: Onslaught | Vladimir Matyushenko | U-DEC | 3 | 5:00 | Loss |
| 2002-09-27 | UFC 39: The Warriors Return | Gan McGee | KO/TKO | 1 | 5:00 | Loss |
| 2002-03-22 | UFC 36: Worlds Collide | Andrei Arlovski | KO/TKO Punch | 3 | 1:45 | Win |
| 2001-11-02 | UFC 34: High Voltage | Randy Couture | KO/TKO Punches | 3 | 3:22 | Loss |
| 2001-05-04 | UFC 31: Locked and Loaded | Randy Couture | U-DEC | 5 | 5:00 | Loss |
| 2001-02-23 | UFC 30: Battle on the Boardwalk | Josh Barnett | KO/TKO Punch | 2 | 4:21 | Win |
| 2000-09-22 | UFC 27: Ultimate Bad Boyz | Dan Severn | KO/TKO Kicks | 1 | 1:33 | Win |
| 2000-06-09 | UFC 26: Ultimate Field Of Dreams | Kevin Randleman | U-DEC | 5 | 5:00 | Loss |
| 1999-11-19 | UFC 23: Ultimate Japan 2 | Tsuyoshi Kohsaka | KO/TKO Punch | 3 | 1:17 | Win |
| 1999-05-07 | UFC 20: Battle for the Gold | Tra Telligman | KO/TKO Punch | 1 | 4:30 | Win |
| 1999-01-08 | UFC 18: The Road to the Heavyweight Title | Mark Coleman | S-DEC | 2 | 3:00 | Win |
| 1998-10-16 | UFC - Ultimate Brazil | David Abbott | KO/TKO Punch | 1 | 8:07 | Win |
| Fight # | Date | Opponent Name | Opponent ELO | Result | ELO Gained | ELO |
|---|---|---|---|---|---|---|
| 14 | 2003-11-21 | Ricco Rodriguez | 1083 | Win | +17 | 1076 |
| 13 | 2003-06-06 | Tra Telligman | 991 | Win | +19 | 1059 |
| 12 | 2003-02-28 | Vladimir Matyushenko | 1025 | Loss | -17 | 1040 |
| 11 | 2002-09-27 | Gan McGee | 984 | Loss | -20 | 1057 |
| 10 | 2002-03-22 | Andrei Arlovski | 1004 | Win | +18 | 1077 |
| 9 | 2001-11-02 | Randy Couture | 1100 | Loss | -15 | 1059 |
| 8 | 2001-05-04 | Randy Couture | 1084 | Loss | -16 | 1074 |
| 7 | 2001-02-23 | Josh Barnett | 1021 | Win | +19 | 1090 |
| 6 | 2000-09-22 | Dan Severn | 1100 | Win | +23 | 1071 |
| 5 | 2000-06-09 | Kevin Randleman | 1036 | Loss | -17 | 1048 |
| 4 | 1999-11-19 | Tsuyoshi Kohsaka | 1035 | Win | +21 | 1065 |
| 3 | 1999-05-07 | Tra Telligman | 1006 | Win | +20 | 1044 |
| 2 | 1999-01-08 | Mark Coleman | 1081 | Win | 0 | 1024 |
| 1 | 1998-10-16 | David Abbott | 1062 | Win | +24 | 1024 |