WOODBRIDGE, Va. -- Nationals third baseman Ryan Zimmerman, in his third game as he rehabilitates from abdominal surgery, stepped to the plate with two men on in the bottom of the first. Keys Japanese pitcher Ryohei Tanaka struck out Zimmerman looking on three pitches. Potomac scored twice in the inning on a triple by Justin Bloxom, P-Nats led 2-0. Destin Hood connected on an RBI double over the centerfielder's head, and extended the advantage to 3-0. P-Nats lead 3-0 over the Frederick Keys after one complete in hot Pfitzner Stadium.