The Sandman has exited.

Last week, the Red Sox honored Yankees closer Mariano Rivera's career with a rendition of "Enter Sandman" by the Boston Cello Quartet.

Via wapc.mlb.com

But for Rivera's retirement ceremony today at Yankee Stadium, nothing less than the real deal would do.

Elsa / Getty Images Sport

So Rivera was played in from the bullpen before the game by none other than Metallica.

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