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OAKLAND, CA - SEPTEMBER 14: The Oakland Raiders line up against the San Diego Chargers on September 14, 2009 at the Oakland-Alameda County Coliseum in Oakland, California. (Photo by Ezra Shaw/Getty Images)
A pair of offensive starters Al Davis Nation can't afford to have injured left Saturday's preseason game with injuries.
One looked worse than it was. The other could carry into the regular season.
Quarterback Jason Campbell was lying on the field for several minutes before being carted off in the second quarter of the team's 28-24 loss to the 49ers. He was later diagnosed with a stinger and isn't expected to miss the Sept. 12 season opener.
Bush was scheduled to undergo tests Sunday to determine the injury's full severity. Darren McFadden, the fourth overall draft pick in 2008, would see a more prominent role should Bush's absence linger.
The Raiders have lost 11 or more games in each of the past seven seasons. Campbell, Bush, McFadden, tight end Zach Miller and wide receiver Louis Murphy give the team a good offensive core to go with an underrated defense.
With little depth, however, the offense has little wiggleroom for injuries if it's to keep up with the Chargers in the AFC West.
King Stahlman Bail Bonds could not be reached for comment.