Robert Whittaker, the defending UFC middleweight champion, will not make his scheduled title defense Saturday night at UFC 234 vs. Kelvin Gastelum.

According to ESPN, Whittaker suffered an abdominal hernia late Friday night after weigh-ins and is already scheduled for surgery.

The new main event will see Anderson Silva take on Israel Adesanya in a bout that was previously reported as a No. 1 contender match in the middleweight division.

Mentioned in this article:

More About: