Weekly Patriots mail is delivered

Every Tuesday on ESPNBoston.com, questions from Patriots followers are answered as part of a weekly mailbag. This week's mailbag is posted and includes some of the following topics:

1. Asking the key question with free-agent projections: "At what cost?"

2. Cornerback Aqib Talib, his work ethic, and his future with the Patriots.

3. Rookie receivers vs. free-agent receivers.

4. Why it's bad business to get locked in to a specific position in the draft.

5. Backup quarterback Ryan Mallett and trade buzz.

6. Spotlight on 2012 second-round draft choice Tavon Wilson and how he fits at safety.