NASCAR: Dale Earnhardt Jr. to retire after 2017 seasonDale Earnhardt, Jr. announced on Tuesday he will retire from competitive racing after the 2017 season.SI Staff|Share on FacebookShare on XAdd us on Dale Earnhardt, Jr. announced on Tuesday he will retire from competitive racing after the 2017 season.Published Apr 25, 2017 | Modified Apr 25, 2017SI STAFFShare on FacebookShare on XHome/Racing