Anthony Pettis realized a childhood dream securing the UFC ‘ightweight title with a first-round submission victory over Benson Henderson at UFC 164 in Milwaukee on Saturday night, but it could come at a cost after the new champ felt his knee pop in the opening moments of the fight. “This is actually my other knee,” Pettis said on the UFC post-fight show on Fox Sports 2. “My right knee was my ACL tear, but I went to check a kick early in the first round and it hit me right in the middle of a groove and I felt my knee just pop.