Promise Keeper (Constitution) tossed his hat in the ring as a potential GI Belmont S. starter with a strong performance in Saturday's GIII Peter Pan S. The chestnut, off as the 3-2 favorite, sat a stalking trip in second as the comebacking maiden winner Wolfie's Dynaghost (Ghostzapper) led through fractions of :24.53 and :48.62. Promise Keeper struck the front as they hit the quarter pole, and, after getting a bold challenge from Nova Rags (Union Rags) in the stretch, swatted that foe away to win by an expanding 2 1/4...