Tyler Skaggs has been scratched from Saturday's appearance due to some soreness in the front of his pitching shoulder. The Diamondbacks are saying it's just a precautionary move, as Skaggs is already feeling better and is expected to throw in the bullpen Sunday. It's not clear when he'll be ready for game action, but it appears this isn't anything to get too worked up over. Skaggs will begin 2012 in the minors after posting a 2.99 ERA, 1.09 WHIP and 180/46 K/BB ratio over 147 1/3 frames between High- and Double-A.