The deal began with a conversation during the annual end-of-season meeting between quarterback Josh Allen and general manager Brandon Beane. It ended with the Bills giving Allen a six-year extension,

Bosa, who turns 30 in July, is no longer the same destructive player he was when he last visited Orchard Park five years ago. Since that day, the Chargers have played 73 games counting the postseason, and Bosa played in only 47 because of a rash of injuries.