The Kansas City Chiefs had relied heavily on their stingy, opportunistic defense during a six-game winning streak that vaulted them right back into playoff contention. After shutting down San Diego most of the game, the Chiefs forced Philip Rivers into a pair of incomplete passes near the goal line in the final seconds to preserve a 10-3 victory over the Chargers at soggy Arrowhead Stadium that could prove to be critical in the race for an AFC wild card. San Diego (3-10) got the ball at its own 11 with 5 minutes left and quickly moved into Kansas City territory, converting fourth down three times. More...