Tale of the Tape
Age
34
Height
—
Reach
—
Stance
Orthodox
Country
Puerto Rico
Key Stats
80%
Win Rate
56%
KO Rate
9
KO Wins
20
Pro Fights
Advanced Stats
Color = level vs. divisionCareer
Win Methods
René Santiago brings a 16-4 record into every walk to the cage — and in a division as crowded as light flyweight, every single win matters.
The record splits almost evenly between stoppages (9) and decisions (7) — a boxer who can hurt you but doesn't need to in order to beat you.
The form line is loud: 4 straight wins, the latest over Masataka Taniguchi (Decision (Unanimous)). Momentum like that forces the division's hand.
Recent Fights
Masataka Taniguchi
Decision (Unanimous) · Apr 2, 2026
Korakuen Hall, Tokyo, Japan
Kyosuke Takami
Decision (Split) · Dec 16, 2025
Kokugikan, Tokyo, Japan
Shokichi Iwata
Decision (Unanimous) · Mar 12, 2025
Ryōgoku Kokugikan, Tokyo, Japan
Ricardo Astuvilca
Decision (Unanimous) · Oct 29, 2024
Coliseo Alcalde Marcelo Trujillo Panisse, Humacao, Puerto Rico
Jonathan González
Decision (Unanimous) · Mar 1, 2024
José Miguel Agrelot Coliseum, San Juan, Puerto Rico
Latest / René Santiago News
Ponzinibbio Draws on Argentina's Grit Ahead of UFC Abu Dhabi Return
Back after 15 months out, the 39-year-old faces four-week replacement Sam Patterson — and says his mileage trumps a hot prospect's résumé.
Jul 25, 2026
Ponzinibbio, 13 Years Into His UFC Run, Faces Rising Sam Patterson in Abu Dhabi
The 39-year-old Argentine says money isn't the point anymore — he's chasing the challenge against a prospect who'd finished four straight before losing to MVP.
Jul 23, 2026