The former Yankees closer loved shagging fly balls during his playing career. Even though it led to an injury that cost him most of the 2012 season, he did so at his own peril again.

Hall of Famer Mariano Rivera tore an Achilles tendon while going after a fly ball at the Yankees' Old-Timers' Day game Saturday and needs surgery. Agent Fern Cuza said the 55-year-old closer, baseball's career leader in saves,