mcnair's one for sure
Alabama and Purdue.
As of the 2010-2011 season, the Green Bay Packers have three quarterbacks. Their starting QB is Aaron Rodgers. Their second string QB is Matt Flynn. Their third string QB is Graham Harrell.
Missouri
Three (3)
Well usually the kicker/punter, or people who have played quarterback in highschool, college, ect.
Carson Palmer
19 players and up to three quarterbacks.
Three
Three.
JERRY RICE AND BRETT FAVRE
The three quarterbacks (couldn't find a fourth) on the Patriots 1999 preseason roster were:Drew BledsoeJohn FrieszMichael Bishop (rookie)