He's not worth rostering, no. Bad completion percentage, low Yards Per Attempt, hilariously awful TD-to-INT ratios, bad passer rating. He's literally garbage.
If a repeat of 2016 happens, and we lose our top two QBs to season-ending injuries, he's qualified to be the warm body that backs up our 3rd stringer who has been thrust into the starting lineup. That's all he's qualified to do. He's basically just a body warm enough to keep us from having to pull a Weekend At Uncle Bernie's.
Also, I'm not sure if he's even eligible anyway. Isn't he suspended because it turned out his hilariously garbage play was aided by performance enhancing drugs?
No thanks.