Rankings Champions Events Head-to-Head Title Picture Insights Accuracy

JM

Jerven Mama

“Iron Fist”

— · Philippines

13-4-1

5'6"

Fight history · 1 of 18 bouts

D

William Birchall

— · 2025

Rating: opposition-adjusted Elo / Glicko-2, weight-class normalized. Punch stats via boxing-data.

Jerven Mama — Record, Ranking & Fight History (2026)