Sean Pierson
5–2–0 · Welterweight · Age 50 · 6 UFC fights
Skill (today)
+0.85
Uncertainty (σ)
1.79
As of
2026-09-13
Skill trajectory
Line: estimated skill after each fight. Band: ±1σ uncertainty.
Fight ledger
| Date | Opponent | Result | Method | Event | Model P(win), pre-fight |
|---|---|---|---|---|---|
| 2013-06-15 | Kenny Robertson | Win | M-DEC | UFC 161: Evans vs. Henderson | 47% |
| 2012-09-22 | Lance Benoist | Win | U-DEC | UFC 152: Jones vs. Belfort | 32% |
| 2012-06-08 | Jake Hecht | Win | U-DEC | UFC on FX 3 | 27% |
| 2011-12-30 | Dong Hyun Kim | Loss | U-DEC | UFC 141: Lesnar vs. Overeem | 45% |
| 2011-04-30 | Jake Ellenberger | Loss | KO/TKO | UFC 129: St. Pierre vs. Shields | 37% |
| 2010-12-11 | Matt Riddle | Win | U-DEC | UFC 124: St. Pierre vs. Koscheck 2 | |
| 2010-10-23 | Ricky Goodall | Win | TKO | Unknown |