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 has been posted and includes some of the following topics:

1. Focusing on defensive improvements and if it could lead the unit into the top tier in the NFL.

2. Darrelle Revis vs. Aqib Talib -- how much of an upgrade?

3. Projecting a sub defense to go against Peyton Manning and the Broncos.

4. Following up on veteran linebacker James Anderson and why he was available in the first place.

5. Defensive line thoughts -- from Tommy Kelly, to Armond Armstead, to Chris Jones.

6. More on the possibility of the two-TE offense.