| 2009-02-07 | UFC Fight Night: Lauzon vs. Stephens | Lightweight | Gleison Tibau def. Rich Clementi | Submission (guillotine choke) | 1 | 4:35 |
| 2008-10-25 | UFC 90: Silva vs. Côté | Lightweight | Gray Maynard def. Rich Clementi | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2008-05-24 | UFC 84: Ill Will | Lightweight | Rich Clementi def. Terry Etim | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 2008-04-19 | UFC 83: Serra vs. St-Pierre 2 | Lightweight | Rich Clementi def. Sam Stout | Decision (split) (29–27, 28–29, 29–28) | 3 | 5:00 |
| 2007-12-29 | UFC 79: Nemesis | Lightweight | Rich Clementi def. Melvin Guillard | Submission (rear-naked choke) | 1 | 4:40 |
| 2007-09-22 | UFC 76: Knockout | Catchweight | Rich Clementi def. Anthony Johnson | Submission (rear-naked choke) | 2 | 3:05 |
| 2007-04-05 | UFC Fight Night: Stevenson vs. Guillard | Welterweight | Roan Carneiro def. Rich Clementi | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2007-01-25 | UFC Fight Night: Evans vs. Salmon | Welterweight | Rich Clementi def. Ross Pointon | Submission (rear-naked choke) | 2 | 4:53 |
| 2006-11-11 | The Ultimate Fighter: The Comeback Finale | Lightweight | Din Thomas def. Rich Clementi | Submission (rear-naked choke) | 2 | 3:11 |
| 2003-02-28 | UFC 41: Onslaught | Lightweight | Yves Edwards def. Rich Clementi | Submission (rear-naked choke) | 3 | 4:07 |