Welcome back to the futile exercise of ranking NFL teams. As always, these Power Rankings will be updated weekly, so be sure to watch out as teams move up and down. If teams continue to win, they will rise. If teams continue to lose, they will fall. Similarly, a loss does not necessarily equate to a team being ranked lower than their opponent. Upsets in the NFL do happen, so trends will usually be needed for a team to drop many slots. Numbers in parentheses refer to last week’s rankings. *Note that this ranking only includes the eight teams who made the divisional round.* No.8: Tennessee Titan…