The Major League Baseball Reliever of the Year Award, which honors the best relief pitchers, has been awarded to Mariano Rivera three times.
Major League Baseball (MLB) annually honors its best relief pitchers in the American League (AL) and National League (NL) with the Mariano Rivera AL Reliever of the Year Award and Trevor Hoffman NL Reliever of the Year Award, respectively. 2005 Player Mariano Rivera (1) 2006 Mariano Rivera (2) 2009 Mariano Rivera (3) 
