Stephen Strasburg's innings limit and shutdown has been criticized, but the Washington Nationals' pitchers have a combined 3.27 ERA. All-Star left-hander Gio Gonzalez is another key piece to a formidable rotation.  (AP Photo/George Nikitin)

Photo by: George Nikitin

Stephen Strasburg's innings limit and shutdown has been criticized, but the Washington Nationals' pitchers have a combined 3.27 ERA. All-Star left-hander Gio Gonzalez is another key piece to a formidable rotation. (AP Photo/George Nikitin)