Detroit Lions running back Ameer Abdullah reacts after scoring a touchdown against the San Diego Chargers during the first half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

San Diego Chargers wide receiver Keenan Allen reacts after a reception against the Detroit Lions during the first half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

San Diego Chargers quarterback Philip Rivers throws a pass against the Detroit Lions during the first half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

Detroit Lions running back Ameer Abdullah scores a touchdown against the San Diego Chargers during the first half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Melvin Gordon runs upfield against the Detroit Lions during the first half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

Detroit Lions running back Ameer Abdullah cuts back on his way to scoring a touchdown as San Diego Chargers defensive back Jahleel Addae, right, pursues during the first half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

San Diego Chargers quarterback Philip Rivers throws a pass against the Detroit Lions during the first half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

Detroit Lions free safety Glover Quin reacts after scoring a touchdown off an interception against the San Diego Chargers during the first half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

San Diego Chargers running back Danny Woodhead reacts after scoring a touchdown against the Detroit Lions during the first half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

Detroit Lions tight end Eric Ebron reacts after scoring a touchdown against the San Diego Chargers during the first half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

Detroit Lions free safety Glover Quin runs upfield on his way to scoring a touchdown off an interception against the San Diego Chargers during the first half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

Detroit Lions quarterback Matthew Stafford (9) is hit by San Diego Chargers outside linebacker Melvin Ingram during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. The tipped ball led to an interception for the Chargers. (AP Photo/Alex Gallardo)

Detroit Lions wide receiver Calvin Johnson (81) runs upfield as San Diego Chargers defensive back Jahleel Addae defends during the first half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

Detroit Lions tight end Eric Ebron (85) celebrates his touchdown with teammates against the San Diego Chargers during the first half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

Detroit Lions wide receiver Golden Tate (15) and San Diego Chargers cornerback Jason Verrett (22) battle for a ball during the second half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

San Diego Chargers running back Danny Woodhead dives into the end zone for a touchdown against the Detroit Lions during the first half of an NFL football game, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Melvin Gordon runs with the ball during the first half of an NFL football game against the Detroit Lions, Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Steve Johnson, left, celebrates with tight end Ladarius Green after Green scored a touchdown against the Detroit Lions during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

Detroit Lions quarterback Matthew Stafford (9) looks to throw a pass against the San Diego Chargers during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Alex Gallardo)

San Diego Chargers wide receiver Keenan Allen (13) hauls in a pass as Detroit Lions cornerback Rashean Mathis defends during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Melvin Gordon, center, leaps over players as he runs against the Detroit Lions during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers free safety Eric Weddle (32) celebrates after breaking up an end zone throw to Detroit Lions wide receiver Golden Tate during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Steve Johnson (11) leaps into the end zone past Detroit Lions middle linebacker Stephen Tulloch, left, and cornerback Rashean Mathis, right, for a touchdown past during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers running back Danny Woodhead is hoisted by teammate center Chris Watt after scoring a touchdown against the Detroit Lions during the second half of an NFL football game Sunday, Sept. 13, 2015, in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers quarterback Philip Rivers leaves the field after the Chargers defeated the Detroit Lions in an NFL football game, Sunday, Sept. 13, 2015, in San Diego. The Chargers won 33-28. (AP Photo/Denis Poroy)