Weekend grappling recap: Polaris, Emerald City Invitational, Submission Only Series, and IBJJF Houston Open
We take a look at all the major happenings over the weekend in the BJJ and submission grappling competition scenes. Brazilian jiu-jitsu and submission grappling have no off-season. Over the weekend, a number of elite competitors were in action under a variety of rulesets. From a middleweight grand prix at
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