Rivera throws BP for first time since knee injury
New York Yankees closer Mariano Rivera cleared another hurdle in his recovery from knee surgery Friday morning when he faced hitters for the first time since his injury in a live batting practice session.
http://espn.go.com/new-york/mlb/story/_/id/8974257/mariano-rivera-new-york-yankees-throws-bp-first-time-having-knee-surgery
