Oklahoma quarterback Trevor Knight suffered a separated left shoulder -- his non-throwing shoulder -- during the Sooners' 33-24 victory against Oklahoma State on Saturday, a source told ESPN.com.
Oklahoma linebacker Corey Nelson will undergo surgery to repair a partially torn pectoral muscle, which will likely force him to miss the rest of his senior season.
Oklahoma quarterback Trevor Knight visited an Oklahoma City hospital to get his knee examined Sunday morning, but the injury is not believed to be serious, a team source told ESPN.com.
Oklahoma already has lost two offensive linemen to injury through just four spring practices.
Oklahoma starting center Gabe Ikard injured his snapping hand Sunday during the Sooners' second spring practice, multiple sources told ESPN.com.
Oklahoma's 2008 class was supposed to be one of the best in Sooners history. But besides Landry Jones, many of the highly touted Oklahoma signees did not deliver.
Oklahoma middle linebacker Tom Wort dealt with nagging injuries in 2011, but the Sooners need him healthy and productive if they want to have a great defense.
For Landry Jones, who got married this summer, the honeymoon is over. It's back to football. That shouldn't be difficult for Jones, whom teammates call the hardest worker on the roster.
Welcome to Oklahoma, where the starting quarterback seems at times to be enemy No. 1. Lauded nationally. Loathed locally. That's what Landry Jones has to deal with.
The Oklahoma Sooners return eight offensive starters in 2012, but injuries and defections have affected their spring depth.
Oklahoma coach Bob Stoops says winning 10 games, with a litany of injuries and other problems, was a good season for the Sooners.
Sooners defensive end Ronnell Lewis will miss the Insight Bowl because of injuries, and has likely played his last game at Oklahoma.
Oklahoma will be without a starting wide receiver and two key offensive reserves for the Dec. 30 Insight Bowl against Iowa.
Lacking firepower, injury-riddled Sooners need their quarterback to carry them in Bedlam
Oklahoma defensive tackle Casey Walker was taken to the hospital by ambulance Wednesday after suffering a throat injury during practice.
The Sooners need a lot of help to get to the national title game after the latest BCS standings put Alabama at No. 3