The Sunday NFL Countdown crew previews the Patrick Mahomes vs. Josh Allen matchup when the Kansas City Chiefs travel to take on the Buffalo Bills. 0:00 Facts & Film 1:57 Alex Smith and Tedy Bruschi breakdown 6:39 Jeff Darlington joins 7:51 Matchup preview ✔️ Subscribe to ESPN+ http://espnplus.com/youtube ✔️ Get the ESPN App: http://www.espn.com/espn/apps/espn ✔️ Subscribe to ESPN on YouTube: http://es.pn/SUBSCRIBEtoYOUTUBE ✔️ Subscribe to NBA on ESPN on YouTube: http://bit.ly/SUBSCRIBEtoNBAonESPN ✔️ Watch ESPN on YouTube TV: http://es.pn/YouTubeTV #ESPN #NFL