Major League Baseball (MLB) annually honored its best relief pitcher with the Major League Baseball Delivery Man of the Year Award from 2005 through 2013. It was initially part of a sponsorship agreement between MLB and package delivery company DHL Express; DHL's sponsorship ran from 2005 to 2010. There was also a Delivery Man of the Month Award. From its inception in 2005 through 2008, the award was given to a single reliever who was selected online by fans from a group of 10 finalists chosen by an MLB panel. The panel took sole responsibility to select the annual winner starting in 2009.

DHL is a German logistics company providing courier, package delivery and express mail service, delivering over 1.7 billion parcels per year. A subsidiary of the German logistics firm DHL Group, its express mail service DHL Express is one of the market leaders for parcel services in Europe and Germany's main courier and parcel service.