Mailbag: Why the issues with Jim Caldwell?

The Detroit Lions finally have a new coach, and that means all of you have a ton of questions.

Questions about Jim Caldwell and free agency littered this week's Lions Mailbag.

To ask a question for the Mailbag, tweet the hashtag #LionsMailbag or email michael.rothstein@espn.com. Mailbags will now run on the weekends.

On to your questions.