He is regarded as the greatest closer of all time, whether he's throwing his cut fastball in the regular season or postseason.

WSJ: Yankees closer Rivera says this is final season

Yankee catcher Chris Stewart, who has been on the receiving end of Rivera's mythical cut fastball, has the highest respect for Rivera.

WSJ: Yankee Legend Sees the End

The 12-time All-Star typically goes at his own pace in camp, fine-tuning his dreaded cut fastball in the bullpen and in simulated games.

NPR: AP Source: Rivera Plans To Retire After 2013

The lone remaining player to wear Robinson's number sat in front of a sculpture of the Brooklyn Dodgers star's No. 42, and chatted about everything from his cut fastball to the 2000 World Series that pitted New York's teams against one another in a true Subway Series.

WSJ: Mo meets with Mets fans, employees during farewell