The Daytona 500 has NASCAR’s most unique — and complicated — qualifying format. And it got more convoluted this year with the largest number of entrants in a decade and a new rule that could add a 41st driver to the 40-car field.

A controversial new NASCAR rule designed for “world-class drivers” could give Helio Castroneves an automatic berth into the Daytona 500

A controversial new NASCAR rule designed for "world-class drivers" could give Helio Castroneves an automatic berth into the Daytona 500, and, should the four-time Indianapolis 500