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, can be read here, and includes some of the following topics:

1. Taking stock of the Patriots' free-agent activity.

2. With offensive tackle Sebastian Vollmer in the fold, what next?

3. Steelers restricted free agent receiver Emmanuel Sanders and exploring a possible offer sheet.

4. Following up on running back Jeff Demps' future with the Patriots.

5. Marcus Cannon and his best position fit going forward -- tackle or guard.

6. Was "restraint" shown with Ed Reed in free agency a good thing?

7. Cornerback Kyle Arrington and the difference between public perception and how the Patriots view him.

8. Projecting a role for linebacker Dane Fletcher.