Listen to Metallica on iHeartRadio

Metallica's "Enter Sandman" has long been connected to New York Yankee great Mariano Rivera. 

The legendary closer has been taking the field to the metal classic for most of his lengthy career.  And now that Rivera is set to retire at the end of this season, there are rumors that Metallica will perform his theme song live at Yankee Stadium. 

The band is scheduled to play the nearby Apollo Theater on September 21st, the night before the Yankees are set to celebrate Rivera with a pre-game event at the ballpark. 

But even though they'll be in town, Metallica and the Yankees are staying quiet on any possible appearance. 

According to the "New York Daily News," a rep for the Yankees said only that he cannot comment on "any events" surrounding Mariano's ceremony.

Photo Credit Getty Images