BOXING
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MS
Mauro Sierra
“N/A”
Flyweight · United States
5-0-0
1 KO
Win methods
4
wins
KO
1 · 25%
Decision
3 · 75%
Best wins
· by opponent rating
SoS
50.1
Bryan Santiago
50.1 · UD · 2026
Fight history · 4 of 5 bouts
W
Bryan Santiago
UD R6
· 2026
W
Stephen Acosta
UD R6
· 2026
W
Rasuiod Hollie
SD R4
· 2025
W
David de Leon
KO R2
· 2025
Mauro Sierra — Record, Ranking & Fight History (2026)