Fighter Profile

Jake O'Brien

← Back to fighters

Jake O'Brien

Record
4-3
Elo
1514
Height
6'3"
Reach
76.0"
Age
41
Stance
Orthodox
Finish rate (L10)
25%
Fights on record
7
Last 5
LWLLW

Fighter DNA

The model’s read on style and durability, scored 0–100.

Striking 23Power 16Grappling 87Ground 5Sub def 60Chin 37

A heuristic fingerprint built from career stats and fight history — a quick shape, not an official rating.

Elo rating

Last 12 months

1514
±0 vs a year ago
1480150315271550Jul ’25Nov ’25Mar ’26Jul ’26

No fights in the last 12 months — rating carried forward. Green marks a win, red a loss — the rating only moves on fight nights.

Want to see how Jake O'Brien matches up against another fighter? Head to the Predictor and enter both names for a full win-probability breakdown, tale of the tape, and method-of-victory forecast.