From MLB.com's Ken Gurnick comes word that Dodgers left-hander Hyun-Jin Ryu has been scratched from his scheduled outing Friday against the Reds due to stiffness in the middle of his back. Chris Capuano will take the mound in his place. Ryu has posted an outstanding 3.02 ERA, 1.22 WHIP and 139/46 K/BB ratio in 167...