The Detroit Lions blew a 21-3 lead in San Diego and lost to the Chargers 33-28 in their season opener on Sunday. Philip Rivers passed for 404 yards, as Keenan Allen caught 15 passes for 166 yards for San Diego. Ameer Abdullah had a 24 yard touchdown run for the Lions, while Grover Quin returned an interception for another score. The Lions play at Minnesota next Sunday.