Major League Gaming Spring Championships kick off this weekend with NBA and NFL pros going head-to-head with pro-gamers. Athletes and gamers compare twitch reflexes and conditioning in Anaheim MLG arena.

Coverage begins Friday for free on the Major League Gaming website and the big guns show up Saturday for the All-Star Showdown. The Lakers' Dwight Howard, Dallas's Dez Bryant, Ty Lawson of the Denver Nuggets and Dejuan Blair of the San Antonio Spurs will join hundreds of competitors trying to fight their way to the top.

The All-Star showdown will be shown live this Saturday, June 29 at 7:30 PT, (10:30 on the East Coast) on the MLG website. Howard will also join Chris Puckett of MLG in commentating the competition.

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