How about Trent Richardson? Done?
Blaine Gabbert is pretty much done.
Jake Locker obviously.
Christian Ponder
Kendall Hunter
Justin Blackmon
Justin Hunter
Justin Bieber
Lamichael James
One of these is not like the others....
Justin Hunter right?
Seriously though, I wouldn't go so far as to say Hunter is done yet, Fantasy or NFL. The Titans are just now starting to get a real team on offense. If they end up pulling off this trade for Rivers I think Hunter becomes a massive buy low before the hype hits. Even still, I think Mettenberger can make him a solid starter.
Guys I'd toss on this list that haven't been mentioned:
David Wilson, once a Top 3-5 dynasty rookie pick, had a great rookie season, busted in season two and was no more due to his neck. Never got a real chance to break from the sophomore slump and show his stuff.
Doug Martin, is there a more confusing prospect? Was a highly drafted RB like Wilson. Was HUGGGGGGGGGEEEEEEEEEE in his rookie year, one of the best rookie RB seasons in recent memory. Then disappeared. Hate to say I told you so, but I said a million times after that season he wasn't even close to as good as the numbers suggested (now that I say I told you so, he'll explode again this year).
Robert Griffin III: RG3 may end up having a rebirth on a different team, I don't think he'll do anything with the Redskins. I also think either way, he'll need to become a pocket passer who CAN escape. He doesn't trust his knees enough to run like he used to and there's a lot of question marks. But he went from "Did the Colts make a mistake not taking RG3?" to... "Jesus Christ, RG3 sucks" overnight.
Isaiah Peed - Literally never did a single thing in this league.
Johnny Manziel - Too soon? Probably not.
Cordarrelle Patterson - Will he ever learn to run routes? Or for that matter... will someone coaching the Vikings take the time to even try to teach him something?
Christine MIchael - Marshawn got extended, he'll be 26-27 before he ever gets a shot. The next Rashad Jennings type. Just had to wait to long.