Sean Pierson
| First Name : | Sean |
| Last name : | Pierson |
| Height : | 6'1" (186cm) |
| Weight : | 169 lbs (77 kg) |
| City : | Toronto, Ontario |
| Country : | Canada |
| Record : | 4 - 3 - 0 (Wins - Losses - Draws) |
| Wins : |
1 TKO (25%) 1 Submission (Armbar) (25%) 1 KO (Punches) (25%) 1 Decision (Unanimous) (25%) |
| Losses : |
1 Submission (Heel Hook) (33.33%) 1 Decision (Unanimous) (33.33%) 1 KO (Head Kick) (33.33%) |
| Association : | Ruffneck/Tapstar |
| Match Stats | ||||||
| Result | Opponent | Method | Event Title | Date | Round | Time |
| Win | Matt Riddle | Decision (Unanimous) | UFC 124 - St. Pierre vs. Koscheck | Dec 11, 2010 | 3 | 5:00 |
| Win | Fabio Holanda | KO (Punches) | Wreck MMA - Fight for the Troops | Dec 12, 2009 | 1 | 1:41 Sec |
| Lost | Steve Vigneault | Decision (Unanimous) | TKO 13 - Ultimate Rush | Sep 6, 2003 | 3 | 5:00 Sec |
| Win | Mark Colangelo | Submission (Armbar) | UCC 10 - Battle for the Belts 2002 | Jun 15, 2002 | 1 | 4:19 Sec |
| Lost | John Alessio | KO (Head Kick) | UCC 7 - Bad Boyz | Jan 25, 2002 | 2 | 1:14 Sec |
| Lost | Chad W. Saunders | Submission (Heel Hook) | IFC WC 8 - Warriors Challenge 8 | Jun 14, 2000 | 1 | 1:11 Sec |
| Win | Steve Vigneault | TKO | IFC - Montreal Cage Combat | Oct 9, 1999 | 1 | 1:07 Sec |