I actually think that he could have a good season. People assume that I hate Mariota, because I say that I hate Mariota. But he excels in certain situations, and struggles in certain situations. Those situations are just flipped relative to the QBs in the rest of the league.
He's good under pressure (when he throws), at 3rd and long, in crucial late game situations. But poor at 3rd and short, in a clean pocket, etc.
They brought in Tannehill, whether you people believe it or not, to keep that fire lit underneath him and to keep him sharp every play. If we can get 4th quarter Mariota on every play, combine that with a significantly improved supporting cast, he may look like a star.
It's been a while, so people forget the difference. But this guy could play: