The Chiefs received the second-half kickoff and went 85 yards for a touchdown, outgaining their first-half total of 57 yards on the drive.
They called plays to get the ball to tight end Travis Kelce. They got the ball in speedster Tyreek Hill's hands on a sweep. Alex Smith was 5 for 5 for 68 yards on the drive as the Chiefs went from second and 25 on their own 10 to the end zone in eight plays.
The Chiefs looked like the offense they were in September on the opening drive of the quarter. Then they reverted back to the first half. The Bills forced punts on both of the Chiefs next two drives, which lasted only four plays each. They gained 97 total yards in the quarter.
The Bills' offense responded to the touchdown with a 44-yard drive that set Stephen Hauschka up for a 49-yard field goal that made it 16-10 after three quarters. The Bills went three-and-out on their second drive of the quarter, losing two yards.
McCoy bottled up: LeSean McCoy ran three times for 3 yards in the third quarter, bringing his total to only 39 yards on 17 carries, averaging just 2.3 yards per rush.
More punts: The Chiefs punted for the sixth and seventh time in the game during the third quarter. The most the Bills had forced this year was six against Carolina.