Eric Prindle, left, and Jerry Waterson train at Fight Club Proving Ground gym in Waterford, Wednesday, March 6, 2013. Michigan lawmakers are pushing for legislation to regulate amateur mixed martial

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Eric Prindle, left, and Jerry Waterson train at Fight Club Proving Ground gym in Waterford, Wednesday, March 6, 2013. Michigan lawmakers are pushing for legislation to regulate amateur mixed martial arts to protect fighters from injury and disease. When the sport was legalized in 2007, the professional bouts became regulated, but the amateurs were overlooked. (AP Photo/Paul Sancya) less 

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Associated Press
Wed, Mar 27, 2013 2:54 PM EDT