This fight is part of Strikeforce Heavyweight Grand Prix quarterfinal reserve bout group. Neither man has faced each other before.
Both men are very experienced. Overeem enters this bout with a win over Cătălin Zmărăndescu at the 2010 K-1 World Grand Prix qualifiers. Sefo recently suffered a kickboxing loss to Tyrone Spong and holds two wins in MMA as well as five wins in boxing.