Jake Shields has built a lengthy, successful career in mixed martial arts by relying on his bread-and-butter: his jiu-jitsu. Sunday, July 17, he puts his grappling skills to the test against Chris Lytle at Chael Sonnen's Submission Underground. <br /><br />Presented by Chael Sonnen, Submission Underground brings the world's best grapplers under one roof in a submission-only format. Two people enter the cage—one taps out. It's that simple. Watch the inaugural event LIVE on FloCombat.com Sunday, July 17: https://goo.gl/aRJiZ8
