This is the Exit Music (For A Player) series, reviewing the major components of the 2015 season. Check out other Exit Music (For A Player) posts here.
Acquired: Signed as a free agent, December 2014.
Age: 31. Gregerson will be 32 next May.
Contract Status: 2nd year of a 3yr/$17.5m deal, running through the 2017 season.
Career:
Drafted in the 28th Round of the 2006 draft by the St. Louis Cardinals, Gregerson has always been a reliever - every single one of his 664 professional appearances has come out of the bullpen.