Minnesota Vikings running back Alexander Mattison (ankle) has been ruled out for Week 15's game against the Cincinnati Bengals. The ankle injury that forced Mattison out of Week 14's game against the Raiders kept him out of practice all week, and now the backfield will be in the hands of Ty Chandler. Chandler had fantasy circles rumbling about a possible depth chart shake-up after he out-carried Mattison in Week 10 and then logged 110 yards from scrimmage the next week. No such change was ever ...