In a surprising twist, UFC champ Alex Pereira showed up to Dana White’s Contender Series and convinced White to sign rival Artem Vakhitov.

Daniel Cormier reveals that the Alex Pereira camp let the UFC know that they may pull out of #UFC307 before heading to Salt Lake City. This would have resulted in Pennington vs Pena being the main-event. “The UFC said to him ‘That would suck, but let us know how it goes. We have… pic.twitter.com/d2hgrsTg6z

UFC fighters commonly enter the Octagon compromised. That was very much true for some of the biggest stars competing at UFC 307. Headliners Alex Pereira and Khalil Rountree Jr, and women's bantamweight contender Kayla Harrison had health complications before Saturday's pay-per-view.