0-1
Pro W–L
William Underwood is an American mixed martial artist with a professional record of 0-1 across 1 bouts. Last competed March 2026 (active).
Finish rate
0 %
Wins by
0 KO · 0 SUB · 0 DEC
Usually loses by
KO/TKO
Fastest loss
0:20 (Rd 1)
vs David Martinez
Last fought
Mar 2026 · Active
Frequently asked
What is William Underwood's MMA record?
William Underwood has a professional MMA record of 0-1.
How does William Underwood usually lose?
Most of William Underwood's losses come by KO/TKO (1 of 1).
Is William Underwood still active?
William Underwood last competed in March 2026, and is considered active (no bout in over two years).
Where is William Underwood from?
William Underwood is a American mixed martial artist.