UFC Fight Night: Walker vs. Zhang (also known as UFC Fight Night 257 and UFC on ESPN+ 115) was a mixed martial arts event produced by the Ultimate Fighting Championship that took place on August 23, 2025, at the Shanghai Indoor Stadium in Shanghai, China.
Main Card
Johnny Walker def. Zhang Mingyang via second-round TKO (2:37)
Aljamain Sterling def. Brian Ortega via unanimous decision (50-45 x3)
Sergei Pavlovich def. Waldo Cortes-Acosta via unanimous decision (30-27, 29-28 x2)
Sumudaerji def. Kevin Borjas via unanimous decision (30-27 x3)
Taiyilake Nueraji def. Kiefer Crosbie via first-round TKO (3:33) | Illegal knee
Undercard
Gauge Young def. Maheshate via unanimous decision (30-27, 29-28 x2)
Charles Johnson def. Lone’er Kavanagh via knockout – Round 2, 4:35
Rongzhu def. Austin Hubbard via unanimous decision (30-27, 29-28 x2)
Kyle Daukaus def. Michel Pereira via knockout – Round 1, 0:43
Yizha def. Westin Wilson via knockout – Round 1, 0:37
SuYoung You def. Xiao Long via unanimous decision (29-28 x3)
Uran Satybaldiev def. Diyar Nurgozhay via submission (Ezekiel Choke) – Round 1, 2:45