NORMAN, Okla. (AP) - Heisman Trophy hopeful Adrian Peterson broke his collarbone on a dive into the end zone Saturday, and the Oklahoma star running back will miss the rest of the regular season.
Peterson was injured on his last carry of the game - a 53-yard scoring run with about 6:40 remaining that completed the 23rd-ranked Sooners' 34-9 win over Iowa State.
Peterson ran for 183 yards and two touchdowns.
Peterson, a junior, who has 1,030 yards this season and entered the weekend as the nation's fourth-leading rusher, was second in Heisman voting as a freshman. He was playing for the first time in years before his father, who had spent about eight years in federal prison for money laundering.
"Just diving into the end zone and when he landed, he landed wrong," Oklahoma coach Bob Stoops said. "At this point it looks like the best thing, the earliest he would be ready to play, would be a bowl game."