Earnhardt Jr to miss 2 races after 2 concussions
CONCORD, N.C. -- Dale Earnhardt Jr. knew he had suffered a concussion in an August crash so jolting that other drivers tweeted about it immediately after the impact.
Earnhardt was too stubborn to see a doctor about it. He was too worried he would be yanked from his car, derailing his long-suffering Sprint Cup Championship hopes.
So he kept it a secret until a 25-car accident on the last lap Sunday at Talladega left him with a lingering headache.
NASCAR's most popular driver ...
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