Game Date/Time and Location: 1 p.m. ET Sunday at Ralph Wilson Stadium, Buffalo, N.Y.
TV schedule and distribution map: CBS; The506.com
Live coverage and updates:
Chiefs blog: Arrowhead Pride / Follow Arrowhead Pride on Twitter
Bills blog: Buffalo Rumblings / Follow Buffalo Rumblings on Twitter
Radio schedule: Kansas City: KCFX 101.1 FM and KDTD La GranD 1340 AM (Spanish); Buffalo: WGR 550 AM
Watch Online: Verizon subscribers can watch games live with the NFL Mobile app (subscription required). NFL Game Pass offers live online broadcasts to users outside the USA.
More on the matchup: The Chiefs and Bills last met in 2012 when C.J. Spiller ran for 123 yards and two touchdowns in a 35-17 win. No team has undergone more of a shift than Kansas City, where the addition of head coach Andy Reid took the Chiefs from the worst team in the NFL to one of its best. Buffalo is in a building year itself under first-year coach Doug Marrone, but needs to get more offensive talent in order to compete in 2014.
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