As of the end of the 2008 regular season:
AFC EAST--Trent Edwards (Buffalo Bills), Chad Pennington (Miami Dolphins), Matt Cassel (New England Patriots), Brett Favre (New York Jets)
AFC NORTH--Joe Flacco (Baltimore Ravens), Ryan Fitzpatrick (Cincinnati Bengals), Ken Dorsey (Cleveland Browns), Ben Roethlisberger (Pittsburgh Steelers)
AFC SOUTH--Matt Schaub (Houston Texans), Peyton Manning (Indianapolis Colts), David Garrard (Jacksonville Jaguars), Kerry Collins (Tennessee Titans)
AFC WEST--Jay Cutler (Denver Broncos), Tyler Thigpen (Kansas City Chiefs), JaMarcus Russell (Oakland Raiders), Philip Rivers (San Diego Chargers)
NFC EAST--Tony Romo (Dallas Cowboys), Eli Manning (New York Giants), Donovan McNabb (Philadelphia Eagles), Jason Campbell (Washington Redskins)
NFC NORTH--Kyle Orton (Chicago Bears), Dan Orlovsky (Detroit Lions), Aaron Rodgers (Green Bay Packers), Tavaris Jackson (Minnesota Vikings)
NFC SOUTH--Matt Ryan (Atlanta Falcons), Jake Delhomme (Carolina Panthers), Drew Brees (New Orleans Saints), Jeff Garcia (Tampa Bay Buccaneers)
NFC WEST--Kurt Warner (Arizona Cardinals), Shaun Hill (San Fransisco 49ers), Seneca Wallace (Seattle Seahawks), Marc Bulger (St. Louis Rams)
6. 3 per team.
None
In Super Bowl XLV, played on February 6, 2011, Green Bay Packers Aaron Rodgers and Pittsburgh Steelers Ben Roethlisberger were the starting quarterbacks.
Aaron Rodgers and Tom Brady.
Pro Bowl players on the two Super Bowl teams will not participate in the Pro Bowl.
No
Were the starting quarterbacks in superbowl 1; Nameth & Unitis
Jim McMahon
Both starting quarterbacks were already champions and the starting strong safety for each team was the pro-bowl starter for his position.
6. 3 per team.
Click on the 'Super Bowl Starting QBs' link on this page to see the quarterbacks who started for their team in the Super Bowl.
None
In Super Bowl XLV, played on February 6, 2011, Green Bay Packers Aaron Rodgers and Pittsburgh Steelers Ben Roethlisberger were the starting quarterbacks.
mcnair's one for sure
The only one I can think of is RG3. Robert Griffin the third
Jim Plunkett, Raiders Ron Jaworski, Eagles
Johnny Unitas, Earl Morrall, David Woodley, and Steve Mcnair