The NFL trade deadline is now past, but it isn't too late to add a little insurance to your fantasy roster with a backup quarterback.
Several teams find themselves in questionable quarterback situations after Week 6, meaning several second-on-the-depth-chart players could be putting up points immediately.
For a few other talented backups, all it takes is a quick injury to produce a new fantasy star. Think of Matt Cassel when Tom Brady was knocked out a few years back. It really can't hurt to grab an extra quarterback who has potential.
Here are five backup QBs to at least keep an eye on in your fantasy free agency.