May 17, 1981: Jody Ridley wins the Mason-Dixon 500 at Dover for the only Cup victory of his 140-race career. Neil Bonnett has the dominant car and leads 404 of the 500 laps and is way ahead when his engine dies after 459 laps. Cale Yarborough gets the lead and then his engine goes out with 20 laps to go. Enter Ridley. Bobby Allison finishes second and Dale Earnhardt is third in the No. 2 Wrangler Pontiac.