A) Game Changer - You are in position to win directly because of play of this type of QB. B) Game Manager - You do not win directly due to outstanding play of this type QB but QB also does not make mistakes that put you in position where you might lose. C) Inspiteof QB - This QB puts you in position that you could very likely lose (INTs, bad pitches, bad reads, poor throws etc.) but you are able to win in spite of their mistakes due to overall team talent that compensates for QB shortcomings. D) Scrub - You lose because of the mistakes made by this QB and no amount of overall team talent can compensate for how bad they are.
On our roster now - I'd say we have 1 A and 1 C. Can't grade for sure on other 2 but Dabo/Morris must feel that we have 2 D's rounding out the QB roster.