San Diego Chargers quarterback Philip Rivers (17) calls a play at the line of scrimmage during the first quarter of an NFL football game against the Tennessee Titans on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Wade Payne)

San Diego Chargers tight end Antonio Gates (85) catches a 7-yard touchdown pass as he is defended by Tennessee Titans linebacker Zach Brown (55) in the first quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

San Diego Chargers running back Ryan Mathews (24) is stopped by Tennessee Titans safety Michael Griffin (33) in the first quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans quarterback Jake Locker (10) leaves San Diego Chargers linebacker Andrew Gachkar (59) behind while running for a 39-yard gain in the first quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Wade Payne)

Tennessee Titans wide receiver Kenny Britt (18) flips upside down after making a catch as he is defended by San Diego Chargers defensive back Jahleel Addae (37) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

San Diego Chargers quarterback Philip Rivers (17) throws under pressure by Tennessee Titans linebacker Colin McCarthy (52) in the first quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans quarterback Jake Locker (10) celebrates as he scores a touchdown on a 7-yard run against the San Diego Chargers in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans wide receiver Justin Hunter (15) can't hang onto a pass as he is defended by San Diego Chargers free safety Eric Weddle (32) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

San Diego Chargers quarterback Philip Rivers (17) tries to get past Tennessee Titans linebacker Akeem Ayers (56) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

San Diego Chargers quarterback Philip Rivers (17) argues with field judge Gary Cavaletto (60) after an offensive pass interference call against the Chargers in the second quarter of an NFL football game against the Tennessee Titans on Sunday, Sept. 22, 2013, in Nashville, Tenn. Rivers was penalized for unsportsmanlike conduct as a result. (AP Photo/Mark Zaleski)

Tennessee Titans wide receiver Justin Hunter (15) can't hang onto a pass in the end zone as he is defended by San Diego Chargers free safety Eric Weddle (32) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

San Diego Chargers quarterback Philip Rivers (17) argues with back judge Greg Wilson (119) after offensive pass interference was called against the Chargers in the second quarter of an NFL football game against the Tennessee Titans on Sunday, Sept. 22, 2013, in Nashville, Tenn. Rivers was penalized for unsportsmanlike conduct as a result. (AP Photo/Mark Zaleski)

San Diego Chargers wide receiver Vincent Brown (86) gets past Tennessee Titans cornerback Coty Sensabaugh (24) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Wade Payne)

San Diego Chargers running back Ronnie Brown (23) is brought down by Tennessee Titans defenders Bernard Pollard (31) and Derrick Morgan (91) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

San Diego Chargers running back Ronnie Brown (23) scores a touchdown on a 1-yard run against the Tennessee Titans in the third quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans wide receiver Nate Washington (85) gets away from San Diego Chargers defensive back Johnny Patrick (26) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. (AP Photo/Mark Zaleski)

Tennessee Titans safety Bernard Pollard (31) blocks a 38-yard field goal attempt by San Diego Chargers kicker Nick Novak (9) in the second quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. Holding is Mike Scifres (5). (AP Photo/Wade Payne)

Tennessee Titans wide receiver Justin Hunter (15) catches the game-winning touchdown pass on a 34-yard pass play as he is defended by San Diego Chargers cornerback Crezdon Butler (20) in the fourth quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. The Titans won 20-17. (AP Photo/Mark Humphrey)

Tennessee Titans wide receiver Justin Hunter (15) is congratulated after catching the game-winning touchdown pass on a 34-yard pass play against the San Diego Chargers in the fourth quarter of an NFL football game on Sunday, Sept. 22, 2013, in Nashville, Tenn. The Titans won 20-17. (AP Photo/Wade Payne)