UFC Fight Night: Muhammad vs. Bonfim

Alessandro Costa

Alessandro Costa is a Brazilian flyweight contender competing in the UFC with a professional record of 14 wins and 5 losses. Standing 5'4" with a 67-inch reach, he is known for his explosive power and technical grappling. His recent Octagon appearances include a knockout victory over Kevin Borjas at UFC 301 and a dominant ground-and-pound finish against Jimmy Flick. He has consistently faced high-level competition, including a competitive decision bout against Steve Erceg.

Iwo Baraniewski

Iwo Baraniewski is an undefeated Polish prospect in the Light Heavyweight division with a perfect 7-0 record. Known for his devastating knockout power and rapid finishing ability, he has secured his last five victories in the very first round. Most recently, he made a successful UFC debut by defeating Ibo Aslan via a right hook and ground punches at UFC 323. This followed a dominant 20-second knockout of Mahamed Aly on Dana White's Contender Series to earn his spot in the promotion.

Junior Tafa

Junior Tafa is an Australian mixed martial artist competing in the Heavyweight and Light Heavyweight divisions of the UFC. Standing 6'3" with a professional record of 6 wins and 5 losses, Tafa transitioned to MMA from a high-level kickboxing background. Known for his knockout power and striking precision, he recently faced Billy Elekana at UFC 325 and Tuco Tokkos, following a dominant second-round TKO victory over Sean Sharaf in October 2024.

John Yannis

John Yannis is a United States featherweight MMA fighter with a professional record of 9 wins and 4 losses. Standing 5'7" with a 70.5-inch reach, he is known for his clinical finishing ability and power. In his most recent outing in August 2025, he competed at UFC Fight Night against Austin Bashi. Prior to that, he secured three consecutive stoppage victories, including a fourth-round TKO of Nick Aguirre, a nine-second TKO of CJ Jimenez, and a second-round TKO against Dimas Chapa.