Patriots quarterback Tom Brady throws under pressure during the second half Sunday. The Associated Press

Patriots wide receiver Julian Edelman moves up the field against the San Diego Chargers during the second half Sunday. The Associated Press

Chargers tight end Ladarius Green tries to control the ball before he is hit by Patriots cornerback Brandon Browner during the second half Sunday. The Associated Press

Patriots defensive end Rob Ninkovich sacks Chargers quarterback Philip Rivers as Chargers guard Johnnie Troutman falls during the second half Sunday. The Associated Press

Patriots wide receiver Julian Edelman runs for a touchdown during the second half Sunday. The Associated Press

New England Patriots tight end Rob Gronkowski, right, celebrates his touchdown with wide receiver Brian Tyms against the San Diego Chargers. The catch made Gronkowski the first tight end in NFL history with 10 or more receiving touchdowns in four straight seasons.

San Diego Chargers punter Mike Scifres is hit as he punts by New England Patriots' Brandon Bolden. Scifres left the game with an injury.

San Diego Chargers defensive back Darrell Stuckey picks up a fumble before scoring a touchdown against the New England Patriots during the first half.

New England Patriots wide receiver Brandon LaFell loses the ball as San Diego Chargers defensive back Jahleel Addae tackles him during the first half.

San Diego Chargers wide receiver Malcom Floyd makes a first-half touchdown catch against the New England Patriots.

San Diego Chargers tight end Ladarius Green runs upfield as Patrick Chung defends during the first half.

San Diego Chargers quarterback Philip Rivers throws a pass against the New England Patriots.

San Diego Chargers quarterback Philip Rivers throws a pass against the New England Patriots.

San Diego Chargers quarterback Philip Rivers is brought down by New England Patriots outside linebacker Jamie Collins during the first half.