Legendary New York Yankees closer Mariano Rivera tore one of his Achilles tendons during the club's 77th Old-Timers' Day game on Saturday, his agent Fernando Cuza confirmed to The Athletic. Rivera will undergo surgery this upoming week.

Hall of Famer Mariano Rivera tore an Achilles tendon while going after a flyball at the New York Yankees’ Old-Timers’ Day game on Saturday and needs surgery.

A #Yankees spokesperson confirmed that Mariano Rivera hurt his Achilles during the Old-Timers'Day game, as Roger Clemens told Suzyn Waldman. Severity unclear. Rivera met with trainers, but the team didn't have any info beyond that.