What happened: Johnny Walker and Waldo Cortes-Acosta made weight Friday for their scheduled heavyweight clash at UFC Vegas 124. Walker stepped on the scale at 239 pounds, while Cortes-Acosta checked in at 262 pounds. The weigh-in clears both fighters for Saturday's five-round headliner.

Why it matters: The headliner offers key division positioning as both fighters seek momentum in the heavyweight ranks. Cortes-Acosta stepped into the contest on short notice and holds a 23-pound weight advantage over Walker. A decisive win solidifies the victor's placement for higher-ranked matchmaking in 2027.

What to watch: UFC Vegas 124 streams live Saturday at 8 p.m. ET on Paramount+.