Pop-ups go up. Pop-ups go down. Pop-ups go up. Pop-ups go down. Tee hee hee hee hee.

Dale Earnhardt Jr.’s spin caused the first caution of today’s NASCAR Sprint Cup race at Martinsville Speedway, but it’s one of the shortest tracks on the schedule, so he still has a good chance to claw back onto the lead lap.

Either way, you have to admit that the aerodynamic devices that help NASCAR race cars stay stable when they lose control remind you of a certain ’s front end. Who knew Miatas had so much in common with purpose-built Sprint Cup cars?