2-2
Pro W–L
William Diaz is mixed martial artist with a professional record of 2-2 across 4 bouts. They've won 1 by KO/TKO, 0 by submission and 0 by decision — a 50 % finish rate. Last competed May 2026 (active). Has fought most often in Colombia (2 bouts).
Finish rate
50 %
Wins by
1 KO · 0 SUB · 0 DEC
Usually wins by
other
Usually loses by
KO/TKO
Fastest win
8:59 (Rd 2)
vs Luis Gonzalez
Fastest loss
1:15 (Rd 1)
vs Jacinto Morillo
Most fights in
Colombia 2
Last fought
May 2026 · Active
Career timeline — fights by year
Wins
Losses
Frequently asked
What is William Diaz's MMA record?
William Diaz has a professional MMA record of 2-2 — 1 wins by KO/TKO, 0 by submission, 0 by decision.
How does William Diaz usually win?
They most often win by other (1 of 2 wins).
How does William Diaz usually lose?
Most of William Diaz's losses come by KO/TKO (1 of 2).
Is William Diaz still active?
William Diaz last competed in May 2026, and is considered active (no bout in over two years).
What is William Diaz's fastest finish?
KO/TKO of Luis Gonzalez in 8:59 (Rd 2) at SFC 6 - Striker Fighting Championship 6.
What is William Diaz's longest MMA win streak?
William Diaz's longest winning run on record is 2 straight victories.