Support WBURContracts Hang In Balance As NFL Case Kicks OffPlay04:35Download AudioNina TotenbergJanuary 13, 2010 ShareA fan gazes at Super Bowl XLIII merchandise in a Tampa, Fla., store window in advance of the 2009 game. Currently, Reebok has an exclusive contract to sell all of the NFL's merchandise, but that could change soon. (Getty Images)