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Oakland Raiders starting quarterback Jason Campbell (8) grimaces after after being injured against the Cleveland Browns in the second quarter at the O.co Coliseum in Oakland, Calif. on Sunday, October 16, 2011. (Nhat V. Meyer/Mercury News)

As Jason Campbell was leaving the facility and heading for the operating room, Raiders coach Hue Jackson was surveying the quarterback landscape and committing to nothing Monday.

Campbell, who suffered a broken right clavicle after being tackled by Cleveland linebacker Scott Fujita, rolled down the window from the passenger seat of his SUV to provide an update.

"I'm having surgery today. It was a tough break," Campbell said. "I'm going to stay positive. If everything goes right, I could be back in six weeks."

Keeping in mind athletes tend to be notoriously optimistic, that time frame would leave the Raiders without their anointed starter against Kansas City, Denver, San Diego, Minnesota and probably Chicago, with the best-case scenario of returning Dec. 4 against Miami.

Jackson, however, wouldn't say definitively Campbell would be kept off the injured reserve list, a designation that would end his season.

"I got a very good text from Jason, letting me know exactly what he's doing," Jackson said. "Jason's very near and dear to me, and it's very unfortunate what happened. When I look at it all, I'll come to a conclusion with the other people that I trust in this organization and make the best decision for us."

The presumptive starter is Kyle Boller, who completed 8 of 14 passes for 100 yards and no turnovers in a 24-17 win over the Cleveland Browns on Sunday.

The NFL trade deadline is at 1 p.m. (PT) Tuesday, and quarterbacks who may or may not be available include Cincinnati's Carson Palmer and Denver's Kyle Orton. Both make considerably more in salary than Campbell, Palmer at $11.5 million and Orton at $6.89 million prorated over the remainder of the season.

The Bengals have steadfastly refused to deal Palmer after he walked out on the team hoping for a trade. Denver reportedly is considering moving Orton but wants draft picks in return.

The Raiders have already traded away second-, third-, fourth- and seventh-round draft picks in 2012 in deals that brought in Taiwan Jones, Joe Barksdale, Campbell and linebacker Aaron Curry.

Another possibility, former Jacksonville quarterback David Garrard, told Fox Sports the Raiders had contacted him, but he revealed he had a herniated disc in his back and needed surgery.

Out-of-work quarterbacks who could be considered include former Raiders Josh McCown, Charlie Frye and Trent Edwards, as well as Troy Smith, Todd Bouman and Brodie Croyle. All but Croyle have some experience with Jackson either in Oakland or Baltimore. McCown played for the Raiders but predated Jackson.

Jackson cited familiarity with the system as a preferable characteristic for a new quarterback.

"You've got to have somebody that can kind of hit the ground running, whether the guy can start or be the backup, because if he's not, it's going to take two, three, four weeks to get ingrained in the system and you've fallen behind," Jackson said.

While Jackson wouldn't say definitively Boller would start against Kansas City, he was complimentary of his performance against Cleveland with no practice time and believes he can win with him.

A former first-round draft pick out of Cal, Boller did not hold on to the starting job in either Baltimore or St. Louis.

"I know that we can put an offense around Kyle Boller and continue to win," Jackson said. "But you're looking to be as good as you can be. And if I can put somebody on this team that's going to make us better, that's what I have to do."

  • Jackson said he still has much to learn about Terrelle Pryor, the supplemental third-round draft pick who begins his second week of practice after a five-game suspension. Jackson hinted there could be a role for Pryor in some situations if he could help win a game.

    Pryor's running and passing skills make him a threat as a "Wildcat" option quarterback.

    With Pryor coming off the exempt list and onto the 53-man roster, the Raiders waived cornerback Joe Porter.

  • Jackson heard plenty about the fourth-and-1 gamble with 4:49 left at the Cleveland 5 that backfired when Michael Bush couldn't get a yard and put the Browns in position to tie the game in the final minute.

    A field goal would have put the Raiders up by three scores at 27-10.

    "The game would have been over. There's no question about it," Jackson said. "I almost got bit. You learn from it."

    But when asked if, knowing what he knows now, he'd kick the ball in the same situation, Jackson said, "Knowing me, probably not."

  • Raiders receiver/return specialist Jacoby Ford joins Travis Williams of the Green Bay Packers (and Richmond's Harry Ells High) as the only players to have four kickoff returns for touchdowns in their first 20 games. Williams did it in 1967.

    Sunday's game

    Kansas City (2-3) at Raiders
    (4-2), 1:05 p.m. CBS