He became the 17th quarterback in NFL history with 40,000 career passing yards.
Rivers reached the 40,000-yard career passing mark on a 23-yard completion to receiver Dontrelle Inman with 4:31 remaining in the second quarter. He finished the Chargers' 31-25 win with 300 yards passing, and two of his four touchdown passes were to tight end Antonio Gates.
Rivers now has 40,166 career passing yards.
He reached the mark in his 159th career game, passing the milestone in the fourth-fewest games in NFL history.