All 32 NFL teams will undoubtedly have questions heading into training camp. That's just the nature of the beast in the league, as nobody is perfect. The Patriots are certainly far from that.
Despite all the work done this offseason to restructure the roster, from the coaching staff to the on-field personnel, Mike Vrabel and the Patriots face numerous questions as they open training camp.
Fortunately, the Patriots have about a month and a half to answer them before the games count for real in September. Training camp is a process, and Vrabel is aware of that.