Mike Florio takes your questions via Twitter and over the phone about all things NFL. There are plenty of questions surrounding quarterbacks, from Cam Newton living up to his potential to Tony Romo getting enough protection in the pocket. Plus, which back-up QB out there will be the first to get replaced? Florio has his answer to that and more in this PFT Planet segment.This video is no longer available. Click here to watch more NBC Sports videos!