Michael Wacha threw three scoreless innings in his second outing of the spring .
Stephen Strasburg looked sharp in his Grapefruit League debut , tossing a pair of scoreless innings and featuring a new mechanical tweak .
Michael Wacha threw three scoreless innings in Stephen Strasburg 's second outing of the spring .
Stephen Strasburg looked sharp in his Grapefruit League debut , tossing a pair of scoreless innings and featuring a new mechanical tweak .