NEW YORK (Standard&Poor's) Feb. 20, 2015--Standard&Poor's Ratings Services said it revised its outlook to positive from stable and affirmed its 'BBB' long-term rating and underlying rating (SPUR) on the District of Columbia's (D.C.) baseball park revenue bonds. "The outlook change is due to strong growth in fiscal 2014 pledged revenue providing good debt service coverage," said Standard&Poor's credit analyst Hilary Sutton. The rating reflects our view of: The bonds' cross-collateralization whereby excess revenues from the various pledged sources can pay debt service; A somewhat limited collection history based on collections since 2005; Good maximum annual debt service coverage of 1.4x for 2014; and A $20 million stabilization fund, funded from excess revenues in addition