The New York Yankees' Mariano Rivera twisted his right knee shagging fly balls during batting practice Thursday before a game at Kansas City against the Royals.
The New York Yankees' Mariano Rivera twisted his right knee shagging fly balls during batting practice Thursday before a game at Kansas City against the Royals. AP
The New York Yankees' Mariano Rivera twisted his right knee shagging fly balls during batting practice Thursday before a game at Kansas City against the Royals. AP

Rivera vows to return next season despite knee injury

May 04, 2012 11:00 PM