Highlight clips from the Professional Bull Riders Anaheim Invitational event at the Honda Center. Video by Eugene Garcia, ocregister.com

More than 250 competitors showed up to the OC Throwdown on Saturday at the OC Fair and Event Center in Costa Mesa.

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

Chapman University students ran from in-front of Memorial Hall to the Plaza and back wearing only underwear. Video by Drew A. Kelley for The Orange County Regiser

John John Florence wins the Vans World Cup of Surfing at Sunset Beach, Hawaii. Plus highlights from Raoni Montero, Adam Melling, Ola Elegram footage courtesy vanstriplecrownofsurfing.com edit: Kris Heineman