If Tennessee can land Merklinger, we have 2 scholarship QBs for 2024: Nico and Jake. I’d be selling JM on the notion of redshirting, though, so as to put 2 years between him and Nico, eligibility-wise. That way, when Nico is a true Junior, JM is a redshirt freshman. And if Nico leaves early for the NFL (likely), JM starts as a redshirt sophomore, with 3 years of eligibility remaining. If Nico stays as a senior, JM starts as a redshirt Junior with 2 years of eligibility.
Might be tough to pull off a redshirt in 2024 with only 2 QBs, but barring injury, it can be done. JM can play in 4 games in mop up duty without burning his redshirt. You could also play Gaston Moore in mop up duty, if needed, to preserve JM’s redshirt. So effectively, JM is the next man up if Nico is injured, but Moore is the next man up if you just need mop up.