This article references Mitch Haniger and more! Seattle Mariners outfielder Mitch Haniger (hand) has progressed to taking one-handed swings in the cage. Haniger has been slowed in recent days due to soreness in his right hand, but he's beginning to make some progress. Still, there has not been an announcement on when he could return to game action.Keep on reading: Mitch Haniger Taking Swings