Add Luke Rockhold to the list of frustrated UFC middleweights. The former UFC and Strikeforce champion is unhappy with the state of the weight class – particularly the next scheduled title fight, which will see reigning 185-pound champ Michael Bisping (30-7 MMA, 20-7 UFC) face Georges St-Pierre (25-2 MMA, 19-2 UFC) later this year. Rockhold (15-3 MMA, 5-2 UFC) understands Bisping vs. St-Pierre is a big-name fight the UFC can sell to mainstream sports fans, but that doesn’t mean he agrees with it. In fact, Rockhold said putting together such matchups is a sign the UFC could be entering dangerous territory with its matchmaking