In a fight that had heavy advertising tying in Cain Velasquez getting the chance to become the first Mexican UFC heavyweight champion, the current title holder took on then-champion Brock Lesnar at UFC 121 in Anaheim, Calif.

Watch above and see Velasquez take out the PPV superstar to earn the belt for the first time.

Alistair Overeem debuted in the UFC with a dominating performance over former heavyweight champion Brock Lesnar. Relive the entire fight with this free video provided Fox Sports.

UFC on Fox 8
July 27, 2013
Key Arena 
Seattle, Washington

Main Card:
Demetrious Johnson (17-2-1) vs. John Moraga (13-1)
Rory MacDonald (14-1) vs. Jake Ellenberger (29-6)
Robbie Lawler (20-9-1) vs. Bobby Voelker (24-9-0)
Liz Carmouche (8-3) vs. Jessica Andrade (9-2)

Prelims:
Michael Chiesa (9-0) vs. Jorge Masvidal (24-7)
Danny Castillo (15-5) vs. Tim Means (18-4-1)
Mac Danzig (21-10-1) vs. Melvin Guillard (30-12-2)
Yves Edwards (42-19-1) vs. Daron Cruickshank (12-3)
Ed Herman (20-9) vs. Trevor Smith (10-3)
Julie Kedzie (16-11) vs. Germain de Randamie (3-2)
Aaron Riley (30-13-1) vs. Justin Salas (10-4)
John Albert (7-4) vs. Yaotzin Meza (19-8)