Submission Underground Replay: Prelims

Chael Sonnen's Submission Underground stormed the Roseland Theater Sunday, July 17, providing fans at home and in-person with a gripping submission-only event. Featuring some of the world's top grapplers, Submission Underground brought the heat. Watch the preliminary bouts—where five out of six bouts end via submission before the overtime period—here. The action begins at 57:35 in the video above.