Demetrious Johnson returns to the Octagon this Saturday night, defending his flyweight title against Chris Cariaso in the main event of UFC 178.
The card airs on pay-per-view from Las Vegas, and FightLine will have complete coverage of all the action.
Along with Johnson-Cariaso in a scheduled five-round headline bout, former Bellator champion Eddie Alvarez makes his long-awaited Octagon debut against Top-5 lightweight Donald Cerrone. The rest of the main card, which begins at 10 p.m. ET, includes Conor McGregor-Dustin Poirier, Tim Kennedy-Yoel Romero and Cat Zingano-Amanda Nunes.
On the prelims, former UFC and WEC champion Dominick Cruz returns to action, meeting Takeya Mizugaki. All of the action begins at 7 p.m. ET on UFC Fight Pass before shifting over to FOX Sports 1 at 8 p.m. ET.