Lions CB Rashean Mathis is in the league's concussion protocol.
Lions declared CB Rashean Mathis (illness) inactive for Week 8 against the Chiefs.
Lions RCB Rashean Mathis gave up seven catches for 85 yards to Keenan Allen Week 1.
Lions re-signed CB Rashean Mathis to a two-year, $3.5 million contract.
Lions GM Martin Mayhew would "love" to bring back free agent CB Rashean Mathis.
Impending free-agent CB Rashean Mathis would like to re-sign with the Lions.
Impending free agent CB Rashean Mathis plans to continue his playing career.
The Lions are counting on CB Rashean Mathis to be a 2014 starter after releasing Chris Houston.
Lions agreed to terms with CB Rashean Mathis on a one-year contract.
Lions CB Rashean Mathis exited Sunday's Week 6 game against the Browns with a groin injury.
Lions coach Jim Schwartz is now denying RCB Rashean Mathis suffered a Week 4 concussion.
Lions CB Rashean Mathis was forced from Sunday's game against the Bears with a concussion, and will not return.
Lions CB Rashean Mathis is expected to start ahead of rookie Darius Slay this week against the Redskins.
New Lions CB Rashean Mathis has been getting first-team reps in the slot, and also taking snaps at safety.