NEW YORK — Hall of Famer Mariano Rivera tore an Achilles tendon while going after a fly ball at the New York Yankees’ Old-Timers’ Day game on Saturday and needs surgery. Agent Fern Cuza said the 55-year-old closer, baseball’s career leader in saves, will have the operation within a week.

The 55-year-old closer singled off former teammate Andy Pettitte, but took a step and fell to the ground in shallow center field while on base.

Rivera was playing centerfield in the bottom of the first inning and was seen going to the ground on his own during an infield pop.