Sunday's NFL playoff games on the divisional round slate feature a 6-point favorite Detroit taking on Tampa Bay and a 3-point favorite Buffalo playing Kansas City. But it's the playoffs, and anything can happen. Executing the game plan will be crucial for the underdogs if they want to pull off upsets and advance to their respective conference title games.
Let's take a closer look at Sunday's road underdogs -- Tampa Bay and Kansas City -- and map out how each can get it done. For each, we pointed out a game-plan key, focusing on personnel matchups, scheme advantages, coaching tendencies and what we see on the game tape. Then we picked out one X factor player who could make a big upset impact, along with one offensive playmaker from the favorite who must be shut down. Additionally, we included game projections from ESPN's Football Power Index (FPI). Here's how both underdogs can win.
