On NFL Countdown, Rex Ryan, Adam Schefter, Tedy Bruschi and Alex Smith join Mike Greenberg to preview today's AFC Championship game between the Kansas City Chiefs and the Buffalo Bills. ✔️ Subscribe to ESPN+ espnplus.com/youtube ✔️ Get the ESPN App: espn.com/espn/apps/espn ✔️ Subscribe to ESPN on YouTube: es.pn/SUBSCRIBEtoYOUTUBE ✔️ Subscribe to NBA on ESPN on YouTube: bit.ly/SUBSCRIBEtoNBAonESPN ✔️ Watch ESPN on YouTube TV: es.pn/YouTubeTV #ESPN #NFL