NASCAR Xfinity Series – iK9 Service Dog 200 AVONDALE, AZ – MARCH 09: Christopher Bell, driver of the #20 Rheem Toyota, takes the green flag to start the NASCAR Xfinity Series iK9 Service Dog 200 at ISM Raceway on March 9, 2019 in Avondale, Arizona. (Photo by Daniel Shirey/Getty Images)