RIO DE JANEIRO — Mauricio “Shogun” Rua will enter a boxing ring Saturday to face Glover Teixeira in a battle of former UFC champions in Sao Paulo, Brazil, and that will likely be the last time he ever puts gloves on to fight.

The former UFC and PRIDE titleholder spoke with MMA Fighting during the Spaten Fight Night 3 open workouts in Rio de Janeiro and said he only came back from retirement to face Teixeira under boxing rules.

“I think it’s the last one,” Rua said. “But I think the future is a mystery, so… I don’t know, but I think it’s the last one.”

Rua and Teixeira retired from MMA on the same night in January 2023, when both lost to Ihor Pot