Fix the D and this is a 10 win team.
^^^ Easier said than done. New DC will be the monumental pivot for the Grudock regime. Let's see how that goes.
As for Carr, I've been critical of him plenty, but until you can find a top-flight replacement, he's more than serviceable. G/L finding that replacement tho. I don't see any Gannons out there for the plucking (seems Ryan Tannehill was that guy). Trade Mariotta for a 2nd-3rd rd pick and roll that into a rookie QB to serve as backup and groomee. Or even better, give the new D Coordinator one of several premium hand selections.
The above stated, if Justin Fields falls (and I think he might), I wouldn't mind swiping him in Rd 1. That kid fits the mold of a modern NFL QB (mobile w/an arm and elite college passing pedigree). Look at the top young QBs in the league - Mahomes, Watson, Allen, Jackson, Murray, Burrow, Hurts. What do they all have in common? Steve Young laid the foundation. Rodgers & Wilson built on it. And the top youngins are almost universally now in that mold.
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ETA:
PFF's Top-Ten 2021 Draft QB Prospects - Fields, Wilson & Newman all looking intriguing. Also, thought of one potential 2021 free agent who *might* fit the Tannehill/Gannon model for Gruden, IF they decide to move on from Carr - Mitch Trubisky (try not to throw up in your mouth).