Valter Walker, Sam Patterson, UFC Belgrade picks

Jim Norton and Matt Serra look ahead to Saturday’s UFC Belgrade card while catching up with two fighters coming off statement finishes in Abu Dhabi. First, 10th-ranked heavyweight Valter Walker joins the show after tying Demian Maia’s UFC record with his fifth straight submission victory. Fresh off a first-round calf slicer win over Thomas Petersen, Walker discusses his historic leg-lock streak,…