While the NASCAR Cup field remains capped at 40 (barring any Open Exemption Provisionals), series officials have decided that the field of 38 is not large enough for the Xfinity race in Mexico City.
The NASCAR playoff schedule this weekend has taken the racing world to Martinsville Speedway, with Sunday’s Xfinity 500 marking the final race in the Round of 8. With two Championship 4 spots at take ...