Not every player could have pulled off the switch Quandre Diggs did last season, moving from slot corner to starting free safety two-thirds of the way through the season. That Diggs excelled from his new role helped drive home what a versatile weapon the Lions had in their 2015 draft pick.



Monday, Detroit general manager Bob Quinn locked up Diggs through the 2021 season with a contract extension worth $20.4 million, according to the NFL Network’s Ian Rapoport.



“He’s another guy who’s obviously a critical part of our team here defensively; a guy that has worked extremely hard since he walked in the door,” coach Matt Patricia said. “Someone since I got here who’s really kind of embraced everything that we’ve been doing, and has tried to take a big leadership role for us from that standpoint.”



How did Diggs play his way into the Lions’ long-term plans as a multifaceted defensive back? A look back at...