| 2008-04-02 | UFC Fight Night: Florian vs. Lauzon | Lightweight | Josh Neer def. Din Thomas | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2007-09-19 | UFC Fight Night: Thomas vs. Florian | Lightweight | Kenny Florian def. Din Thomas | Submission (rear-naked choke) | 1 | 4:31 |
| 2007-05-26 | UFC 71: Liddell vs. Jackson | Lightweight | Din Thomas def. Jeremy Stephens | Submission (armbar) | 2 | 2:44 |
| 2007-01-25 | UFC Fight Night: Evans vs. Salmon | Lightweight | Din Thomas def. Clay Guida | Decision (unanimous) (29–28, 29–28, 29–28) | 3 | 5:00 |
| 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 | Din Thomas def. Matt Serra | Decision (split) | 3 | 5:00 |
| 2002-09-27 | UFC 39: The Warriors Return | Lightweight | Caol Uno def. Din Thomas | Decision (unanimous) (29–27, 29–27, 29–27) | 3 | 5:00 |
| 2001-09-28 | UFC 33: Victory in Vegas | Lightweight | Din Thomas def. Fabiano Iha | Decision (unanimous) (29–28, 29–27, 29–28) | 3 | 5:00 |
| 2001-06-29 | UFC 32: Showdown in the Meadowlands | Lightweight | B.J. Penn def. Din Thomas | TKO (knee) | 1 | 2:42 |