13. juna u Mexico Cityju u meču za ujedinjenje naslova u teškoj kategoriji bore se Cain Velasquez i privremeni prvak Fabricio Werdum. Povodom toga UFC je objavio i prvi promo video za ovaj događaj.

UFC 188:

Cain Velasquez vs. Fabricio Werdum
Gilbert Melendez vs. Eddie Alvarez
Kelvin Gastelum vs. Nate Marquardt
Yair Rodriguez vs. Charles Rosa
Tecia Torres vs. Angela Hill

Chico Camus vs. Henry Cejudo
Drew Dober vs. Efrain Escudero
Alejandro Perez vs. Patrick Williams
Frank Trevino vs. Johnny Case
Augusto Montano vs. Cathal Pendred
Gabriel Benitez vs. Clay Collard
Hector Urbina vs. Albert Tumenov