One of my favorite columns to write toward the end of every NFL season is a look at which possible vacancies might appeal to the league's top head-coaching candidates. There's a lot to be learned from evaluating where each team stands, scoping out what their roster looks like over the next couple of seasons and how each organization tends to treat the people they hire when things go wrong.
Let's approach a similar problem through the same lens. By my count, there are 13 teams that could plausibly add a veteran quarterback to their roster who could start for them in Week 1 next season.