Maybe for a little perspective, these are the only Iowa tight ends ever with more career receiving yards in the NFL.
Dallas Clark, George Kittle and TJ Hockenson. That's it. Fant is fourth all time. (Although someone should check my math).
He has 3,300 career receiving yards in 6 seasons. Dallas Clark, by comparison, had 5,600 yards in 11 seasons. Fant is actually ahead of Clark's pace through 6 seasons, and he didn't have Payton Manning throwing to him. So I'd caution against any nonsense about underperforming, entitled, doesn't apply himself, etc.
As you can probably tell, I'm still a little miffed about Fant's time at Iowa. While he put up good numbers, and there were other talented options to distribute the ball to at the time (including Hockenson), Fant came off the field WAY too much in my opinion. At one point, Brian called him a "specialist." In one of those 9 or 10 win seasons, Fant barely played a snap in the second half in a loss to Northwestern. And something somewhat similar happened in a loss to Wisconsin. Why didn't Iowa play Fant and Hock together on 85% of its snaps?
Iowa was (is?) often very, very stubborn in how they operate. I'll never understand why they weren't stubborn in targeting Fant 15 times every game, at least until someone showed they could stop it. There were very few Big Ten linebackers who could run with him, if any, and very few cornerbacks who were tall enough or could jump high enough to cover him.