Cain Velasquez defeated Brock Lesnar to become the first ever Mexican UFC heavyweight champion. Tito Ortiz lost to his apprentice Matt Hamill, while Diego Sanchez and Paulo Thiago put on a show in Anaheim. Video by Jonathan Khamis, OCRegister.com

Highlights from the Professional Bull Riders Invitational Sunday afternoon at the Honda Center.

Pedestrians play some of the 20 painted pianos that were placed around O.C. by the Pacific Symphony Orchestra. VIdeo by Eugene Garcia, ocregister.com

AMA Supercross sold out Angel Stadium as fans were treated to some high-flying action. Video by Jonathan Khamis, OCRegister.com.

The UFC 121 press conference featured Brock Lesnar with a new beard, Tito Ortiz fighting in his backyard, Matt Hamill wanting to beat his teacher & Cain Velasquez hopes to become UFC's 1st heavyweight Mexican champion. Jonathan Khamis, OCRegister.com