Just thought I'd do this for fun. Most will be obvious, but there are a few question marks. Feel free to post yours (for the non-obvious ones) and discuss.
Lions: Matt Stafford
Falcons: Matt Ryan
Panthers: Cam Newton
Chargers: Phillip Rivers
Steelers: Ben Rothlisberger
The Close-To Obvious
Colts: Andrew Luck
Redskins: Robert Griffin III
On to the fun part. (A lot of NFC West teams, as usual)
Cardinals: Kevin Kolb
While it's almost certain at this point after being ruled out of the Peyton Manning sweepstakes and giving Kevin Kolb a 7M roster bonus, a change wouldn't surprise me. I was close to putting this one in the 'close-to obvious', but John Skelton is lurking. I don't see anything in Skelton, but with the wins at the end of the season, combined with a possible good training camp, who knows.
49ers: Alex Smith
I'm keeping faith that somehow Peyton Manning decides to finish his career here and make the best football decision, but I don't see it. Maybe it's the disappointment from being linked to so many high end FA's and coming out empty handed (for whatever reason), but I ultimately believe Smith will be back in red and gold for at least 3 seasons.
Seahawks: Ryan Tannehill
While I envision Pete Caroll drafting Tannehill, I wouldn't be to sure to count him as the Day 1 starter right away. Similar to Christian Ponder and Blaine Gabbert last season, a veteran (not necessarily a good one) is in place with Tavaris Jackson. Still, this seems like a good fit, and someone Caroll will love to have. I wouldn't start the guy given his inconsistency and lack of experience, but with only Jackson in the way, it makes sense.
Dolphins: Matt Flynn
Seems like the best fit given the circumstances, with no real QB in place and Green Bay's previous offensive coordinator Philibin. Matt Moore had a nice season, but the Dolphins are clearly looking towards the future. I'm not sold on Flynn, and it has nothing to do with only having two career starts. All his physical tools are simply average, including accuracy and mobility. Someone will give him a nice contract though, and it looks like it'll be Miami.
Broncos: Peyton Manning
I really don't have a clue on this one, other than that it's down to three teams for Manning. Going to the Broncos makes a lot of sense in that he'll be playing in a very win-able division, with a team that has a ton of cap space (40M+) to use on bringing in help, such as free agent Dallas Clark. While the Titans' have said they'll "give Manning anything he wants", if it comes down to the money, it seems like the Broncos are the most logical fit. I could be wrong, but it seems like John Elway doesn't have a problem throwing in a few extra bucks to get rid of Tim Tebow , even if it's not his money.
I certainly don't believe the Chiefs are near satisfied with their QB position. Similar to Matt Flynn's situation, Cassel came over from the Patriots in 2009 and has been nothing more than decent since. With an amazing RB core in Jamaal Charles/Peyton Hillis, dynamic WR in Dwayne Bowe, and up-and-coming defense, it would make sense for the Chiefs to look to upgrade. They were interested in Manning, and could look to draft Ryan Tannehill. Brady Quinn could also surprise, but I doubt it. Unless Manning goes to Tennessee and Matt Hasselbeck is made available, it seems more than likely the Chiefs will be starting with Cassel at QB in 2012.
Going somewhat bold with this one. While the Jaguars certainly want to give Blaine Gabbert as many snaps as possible, the truth is that he was beyond terrible last season. I thought he wasn't going to be ready to start from the beginning, and he certainly proved it. I don't know that he'll be ready to start this season. Chad Henne was actually looking decent before getting hurt this season, and may surprise everyone to earn the starting job here- at least for a few weeks.
Titans: Matt Hasselbeck
Even if they lose out on Manning, this one is intriguing. Jake Locker certainly showed flashes at the end of the season of being ready to start, despite Hasselbeck's pretty solid season. The Titans are still in a strong position to make the playoffs, which makes me believe that Hasselbeck will at least be the starter at the beginning of the season while Locker continues to groom.
Remaining Free Agent QB Options (in this scenario)