ANAHEIM, Calif. Anaheim Ducks forward Jakob Silfverberg will be out for at least a month after a slash from Ottawa's Jared Cowen broke his hand.Silfverberg was slashed Cam Akers Jersey by Cowen midway through the third period of the Ducks' 2-1 victory in Ottawa on Friday night.The Ducks announced Silfverberg's injury Saturday, saying the Swedish forward will be out 4-6 weeks.Silfverberg is off...