The old adage has been “if you have two quarterbacks, then you have no quarterbacks”. I’m sure you can find plenty of exceptions to the rule, but generally quarterbacks, more than other positions, need to find their rhythm in a game, on the team and in a season. If a quarterback is getting pulled every other series or every other quarter, they are unable to make the mental and physical adjustments necessary to keep the offense moving.
Jesse Palmer, the former Florida Gators quarterback who dealt with head coach Steve Spurrier using multiple quarterbacks had this to say on the practice, “It’s such a hard position to play, when you’re playing it defensively, when you’re playing it not to make a mistake.