 Jahvid Best was able to break free for a 50-yard run from the Cal 20-yard line, but fumbled the ball in Ducks territory.The Bears held the Ducks and got a safety when Oregon snapped the ball high and into the end zone on a punt attempt.Cal took advantage of the free kick to advance down the field, during which Riley sustained a concussion when he failed to slide while attempting to gain a first down and was sandwiched between three defenders.