Yeah Trubisky has had some good success in the league. I think he’s been more successful than guys like Darnold who would be a similar option for the Bills.
Personally, I’d rather have a guy like Trubisky backing up Josh than Keenum or Kyle Allen for example. Trubisky has a great skill set, has started a lot of game and is a good athlete. If he’s starting 8 games, I think he wins 5. That’s better than most backups