There's one thing no one seems to talk about and its the fact that in less than 2 months, Tua will not have seen a meaningful football snap for a full year. I get that you want to ease him in, but at the same time, you dont want him losing his edge.
Even NFL vets take some time to adjust after long absence from the game, not only will Tua need to adjust to live bullets football, he'll need to adjust going from college ball to NFL ball.
Im not saying I know what the anwser is, but its something to think about. One thing is for certain imo, if the Fins plan on having a rush heavy offensive plan like they did against the Jags, then I sure as hell would rather have Tua in there than Fitz.
You can have a run heavy offense when your QB completes 90 percent of his passes (and goes nearly the entirety of the first half before failing to complete one) and you get out to a large lead because the other team can't keep you out of the end zone.