They don't know who the starting quarterback will be. The battle between oft-injured incumbent Rex Grossman and challenger Kyle Orton, who has thrown just 80 regular-season passes in the past two years, could last well into the preseason.

"It's an open competition," coach Lovie Smith said. "It's not like we promised Rex a starting position."

--Marty Booker caught 197 passes for 2,260 yards for the Bears in back-to-back seasons, but that was six years ago. The feeling is that he can still be the main man, and on this team, he may have to be, since there are no proven producers behind him. Booker caught 50 passes last season in the Dolphins' dysfunctional offense, so he still has some gas left in the tank.

--Offensive coordinator Ron Turner said the evaluation process of quarterbacks Rex Grossman and Kyle Orton will continue throughout training camp as they battle for the starting job.

"We'll continue with what we did during the off-season, which is one guy goes with the ones one day and the other guy goes with the ones the next day," Turner said. "We'll chart everything and see how many reps they're getting with the ones, with the twos, in 7-on-7, blitz, two-minute -- all the different situations that come up. The good thing about training camp is we'll have pads on, so now it's a little bit different once the pads are on and you get going."

QUOTE TO NOTE: "The most difficult thing to do in this business is to do contract extensions. It's a very, very difficult to do; you don't see many. I think our track record speaks pretty well as far as getting those things accomplished in the offseason, not just this year but in years past." -- Bears GM Jerry Angelo, who got contract extensions done in the offseason for Tommie Harris, Alex Brown, Desmond Clark, Robbie Gould and Kyle Orton but hasn't been able yet to work out extensions for Brian Urlacher or Devin Hester.

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