NASCAR suspends 3 crew chiefs for infractions at Charlotte
CHARLOTTE, N.C. (AP) – NASCAR has suspended three Sprint Cup Series crew chiefs for infractions at Charlotte Motor Speedway. Greg Biffle crew chief Brian Pattie was fined $50,000 and suspended for all the activities through June 15. Biffle also was docked 15 driver points because the Roush Fenway Racing Ford had a body design that was either not submitted to…