Desirable if: You drafted a hotshot rookie you just aren’t ready to start yet and need a veteran to keep your team into the playoff hunt until you decide to foist the rookie into a situation he isn’t ready for.
Desirable if: Your GM drew the “sign a McCown” dare in Cards Against Humanity; you are the Bears and have fond memories of those four games that Alshon Jeffery and Brandon Marshall made him look awesome.
Desirable if: You worry there aren’t enough joke memes about your starting quarterback; you want a quarterback that can get behind a talented roster and be the reason they lose an important game in December.
Desirable if: You wish to acquire a crappy former Tom Brady backup but lack either Brian Hoyer or Matt Cassel money.
Desirable if: You seek a middling quarterback, but would prefer one who can only stay healthy for six games a season.
Desirable if: The one thing keeping your starter from reaching his potential is Marcus Vick badmouthing him on Twitter; you want to tank for next year’s rookie quarterback class, though in an entertaining way.
Desirable if: You want a really sad back-up, but not, like, Blaine Gabbert sad.