A combination of professional boxing and mixed martial arts will be on display in downtown Joplin during Rumble in the Heartland at Memorial Hall on Saturday, September 22. The event is being promoted ...
Eight-time world boxing champion Roy Jones Jr. is moving into MMA, albeit on the promotional side of things. His Square Ring Promotions will put on “March Badness,” a mixed boxing/MMA card on March 21 ...
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