The are a after falling behind 56-0 on the way to an to the . And their starting quarterback isn't healthy. will have over the next few days, NFL Media Insider Ian Rapoport reported Friday night, per Lian Bichsel Jersey a source informed of the situation. There is concern that the 35-year-old signal-caller's thumb could have ligament damage instead of a simple sprain, which would potentially set him out a few weeks.Rapoport reported that McCown on his injured thumb earlier Friday, via a team source.McCown's accuracy was already suspect early this season when his thumb was healthy.It would be a natural time for the to consider changing quarterbacks even if McCown were healthy. But coach doesn't want to consider it."Josh is our starter," Smith said Friday, which might sound .McCown has made a lot of mental mistakes this year that you don't expect out of a veteran. Smith said that McCown's interceptions were not all his fault. The Bucs have an intriguing backup in , although he also struggled quite a bit in relief Thursday night."I thought Mike came in and did some good things," coach said. "There weren't a whole lot of bright spots (Thursday) but for a guy, you know, your backup quarterback doesn't get a whole lot of reps. I thought Mike jumped in right away, he was eager to play. If there's something bright that came out of this game, it was probably his play." The have more problems than just the quarterback position. But if McCown is sidelined for some games, giving Glennon a shot to run the team may be for the better, even if Smith wasn't inclined to make that move.The latest recaps the ' lopsided win over the Bucs and previews . Sergei Zubov Jersey