The Kansas City Chiefs defeated the Dallas Cowboys 17-16 as Alex Smith improved to 12-2-1 over his past 15 starts.

The Chiefs had a +4.9 advantage in the Trench Counter, averaging fewer yards per play, but won the turnover battle 2-0. Kanas City and Dallas had the same number of completions and rushes.

Smith went 21-for-36 for 223 yards and two touchdowns, while rushing for another 57 yards. Jamaal Charles rushed 16 times for 55 yards, while catching eight balls for 48 yards and a touchdown.

Tony Romo went 30-for-42 for 298 yards and one touchdown. Dez Bryant rebounded from a bad Week 1, catching nine times for 141 yards and one touchdown.

The Cowboys struggled to establish the running game, gaining just 37 yards on 16 attempts.