UFC Champ Robert Whittaker Out of UFC 221 Main Event, New Main Event Announced

UFC middleweight champion Robert Whittaker's homecoming fight in Australia is not going to happen.According to UFC officials, per ESPN.com's Brett Okamoto, the local favorite has withdrawn from his scheduled UFC 221 bout with Luke Rockhold because of an undisclosed injury."I'm beyond disappointed that I'm unable to defend the title in my home country of Australia," Whittaker said, per Okamoto. "I hope the fans enjoy what should be a great night of fights at UFC 221, and I look forward to a re...