Chiefs running back Jamaal Charles had 90 yards rushing and only 6 receiving as he was held under 100 yards from scrimmage for the first time this season.
STINGY D: The Chiefs matched an NFL record set by the 1977 Atlanta Falcons in allowing 17 points or fewer in nine straight games.
The Chiefs have now allowed 111 points, their third-lowest total through their first nine games, according to STATS. Kansas City allowed only 88 points through nine games in 1969, and 101 points over that span in 1973.
SACK-LESS: Kansas City was held without a sack for the first time this season, after managing a NFL-leading 36 through its first eight games. The Bills entered the game second in the NFL with 27 sacks. They managed just two against the Chiefs.
AP NFL website: www.pro32.ap.org