Jonathan Green, one of Sandman's owners, is a big fan of Hall-of-Fame Yankees closer Mariano Rivera, who famously used "Enter Sandman" when he entered games. Green named the horse Sandman with the ...

Mariano Rivera, who did not redefine the closer position so much as he put a dominant, inimitable stamp on it, announced Saturday he will retire after the season, his 19th with the New York Yankees.

If you wanted to, you could entertain the notion that Rivera's record will be broken at some point down the line. After all, there will never be a shortage of good closers and, at some point ...

Cause when you hear ‘Enter Sandman,’ even today, you think of Mariano Rivera. When you hear ‘Hells Bells,’ you think of Trevor Hoffman. So, hopefully he keeps this going, and when you hear ...

Mariano Rivera’s unanimous Baseball Hall of Fame ... stages of Yankees’ games to the tune of Metallica’s “Enter Sandman,” a song that became synonymous with the closer.