Irwin Rivera (born February 14, 1989) is a Mexican mixed martial artist who competes in the Bantamweight division of the Eagle Fighting Championship.
A professional mixed martial artist since 2014, Rivera has competed for Combate Americas, Ultimate Fighting Championship and Titan FC where he was the Bantamweight Champion.
Rivera claimed the interim championship via fourth-round technical knockout stemming from a body punch.
[11] Rivera made his second appearance in the organization at UFC Fight Night: Lewis vs. Oleinik on August 8, 2020 against Ali AlQaisi.
[21] Rivera faced Joshua Weems on September 8, 2023 at Gamebred Fighting Championship 5, losing via unanimous decision.
[22] In January 2021, Rivera was arrested on two counts of attempted murder in Palm Beach County, Florida after he allegedly stabbed his two sisters.
[26] Irwin was granted a conditional release from custody on October 19, 2021, after the judge in the case approved Rivera’s plea of not guilty by reason of insanity.