Shortstop Jason Martinson (11) of the Potomac Nationals bats in a game against the Carolina Mudcats on Friday, June 21, 2013, at G. Richard Pfitzner Stadium in Woodbridge, Virginia. Martinson is the No. 14 prospect of the Washington Nationals, according to Baseball America and was taken in the fifth round of the 2010 First-Year Player Draft. Potomac won, 5-1. (Tom Priddy/Four Seam Images)