 Manning led the Colts down the field, moving the ball 70 yards and converting a fourth down and 5 with a 16-yard completion to Clark.But he threw three consecutive incompletions from the Chargers 7-yard line, turning the ball over on downs.Indianapolis' defense managed to force a punt, but the Colts turned the ball over on downs again after Dallas Clark's fourth-down drop with 53 seconds left, and San Diego ran out the rest of the clock to close the RCA Dome for good.