1) To say Mannion wasn't productive is silly (all time pac 12 yardage leader ) to say he made mistakes is fair.
2) Kurt Warner had to play in the arena league before his game was NFL ready. He wasn't really a household name or on the radar of NFL personnel out of N Iowa.
3) The argument about available NFL weapons carries marginal relevance. Weapons become less useful as we all know when your Oline is closer to a sieve than a brick wall.
I do not know what is in store for mr Mannion and as
@jrry32 knows nothing but love for his time and commitment spent on analyzing prospects but for me the jury is still out.