K-1 has officially announced the match-ups for their Heavyweight U.S. Grand Prix Championships and their U.S. K-1 Max GP along with four super fights for the September 8th event in Los Angeles, CA. The event will take place at the Los Angeles Sports Arena. The Heavyweight GP features a mix of K-1 veterans and young up and coming fighters. The four match-ups for the Heavyweight GP are Mighty Mo vs. Rick Roufus, Seth Petruzelli vs. Xavier Vigney, Dewey Cooper vs. Randy Blake, and Jarrell Miller vs. Jack May.

