Adam Greenberg Signs With The Marlins Posted Sep 27, 2012 Former Tar Heel Adam Greenberg will get his one more at bat as the Miami Marlins have offered Greenberg a one-day contract. Greenberg's MLB debut came on July 9, 2005 as he faced Valerio de los Santos in what would be his only at bat in the major leagues. Greenberg was hit in the head with a de los Santos offering and was removed from the game. (GoHeels.com)