Here's the official guide for Dec. 8th episode of The Mentalist season 4, "The Redshirt".

JANE AND THE CBI ARE CALLED WHEN A RETIRED NFL STAR QUARTERBACK IS PRESUMED DEAD FOLLOWING A CAR EXPLOSION

• Jane and the CBI investigate when a retired NFL star quarterback is presumed dead after his car blows up.
• While preparing for a court case, Rigsby and Harrigan take their relationship to the next level
• Craig Bierko (“Cinderella Man”) guest stars as Doc Dugan, a retired NFL star quarterback. Michael Rady (“Melrose Place”) returns as Luther Wainwright.