The homestretch of the is upon us, and the Power Rankings are in an optimistic mood. That means that this week we’ll look at the best-case scenario for all 32 teams the remainder of the season. For some, it’s a Super Bowl ring, for some, it’s a postseason appearance and for some, it’s a new head coach under the Christmas tree. (Last week: 1) Sunday: Beat Buffalo Bills 37-34 in overtime. Best case: Super Bowl ring. Three coaches in