UFC Fight Night: Makhachev v Moises Weigh-in Photo by Jeff Bottari/Zuffa LLC

With UFC Vegas 31 just hours away, MMA Fighting’s Mike Heck, Jose Youngs, Alexander K. Lee and E. Casey Leydon break down the top storylines ahead of Saturday’s event at the APEX, including the lightweight headliner between Islam Makhachev and Thiago Moises, the return of Miesha Tate, and more.