UFC 189: Mendes vs. McGregor
The event was expected to be headlined by a 145 lbs UFC Featherweight Championship bout between current champion José Aldo and top contender Conor McGregor. Aldo pulled out of the bout and a interim championship bout between Chad Mendes and McGregor took place at this event. The UFC received official medical confirmation from several doctors that Aldo did not have a broken rib as he claimed and the biggest problem was the weight cutting process being complicated by the injury. This was confirmed when a release of an Xray tied to an old injury was released by Aldo's camp. The co-main event featured a 170 lbs UFC Welterweight Championship bout between current champion Robbie Lawler and top contender Rory MacDonald. 145 lbs: Dennis Bermudez vs. Jeremy Stephens | 170 lbs: Gunnar Nelson vs. Brandon Thatch | 135 lbs.: Thomas Almeida vs. Brad Pickett
| Actor | Role |
|---|---|
 Conor McGregorSelf | Self |
 Chad MendesSelf | Self |
 Robbie LawlerSelf | Self |
 Rory MacDonaldSelf | Self |
 Jeremy StephensSelf | Self |
 Dennis BermudezSelf | Self |
 Gunnar NelsonSelf | Self |
 Brandon ThatchSelf | Self |
 Thomas AlmeidaSelf | Self |
 Brad PickettSelf | Self |
 Matt BrownSelf | Self |
 Tim MeansSelf | Self |
 Alex GarciaSelf | Self |
 Mike SwickSelf | Self |
 John HowardSelf | Self |
 Cathal PendredSelf | Self |
 Cody GarbrandtSelf | Self |
 Henry BrionesSelf | Self |
 Louis SmolkaSelf | Self |
 Neil SeerySelf | Self |
 Cody PfisterSelf | Self |
 Yosdenis CedenoSelf | Self |