Catcher Gary Sanchez (35) of the Charleston RiverDogs hits a home run in the fifth inning of a game against the Greenville Drive on May 31, 2012, at Fluor Field at the West End in Greenville, South Carolina. Charleston won, 13-2. Sanchez is the Yankees' No. 4 prospect, according to Baseball America. (Tom Priddy/Four Seam Images).