Insider Buzz: Mathieu Already Running, Expects to Be Back for Offseason Program

Arizona Cardinals defensive back Tyrann Mathieu was able to run on the treadmill last week for the first time since his ACL tear and subsequent knee surgery last December.

Where is Mathieu training? When does Mathieu expect to return at full strength?

Watch Bleacher Report NFL Insider Jason Cole discuss Mathieu's recovery in the video above.