Johnson gained 154 yards on 31 carries and scored the game-winning touchdown on a one-yard run with 3:21 left to play.
Trent Green, who had missed most of the season because of a concussion, completed 9 of 16 passes for 102 yards; Michael Bennett rushed for 43 yards on just three attempts, and Samie Parker made three catches for 44 yards for the Chiefs, who have won four of their last five games.
Aaron Brooks, who had not played since Sept. 17 because of a shoulder injury, went 13-for-22 for 179 yards, one touchdown, and a game-ending interception; Justin Fargas rushed for 52 yards on 19 carries; and Ronald Curry had five receptions for 85 yards for the Raiders, who lost running back LaMont Jordan to a torn knee ligament late in the first half.
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