KANSAS CITY, Mo. (AP) — Jamaal Charles ran for two touchdowns, Knile Davis returned a kick 99 yards for another score and the Kansas City Chiefs trounced the St. Louis Rams 34-7 on Sunday. Cairo Santos added a pair of field goals for Kansas City (4-3), including a career-best 53-yarder. Alex Smith was 24 of 28 for 226 yards, while Davis capped a run of 34 unanswered points with a short touchdown run late in the fourth quarter.