Larson's Double Do-over

While the rest of us were heading home from Richmond or going to sleep on Saturday night, Kyle Larson was aboard an airplane heading to Iowa for the biggest sprint car race of the year: the Knoxville Nationals. He'd complete the miraculous double by leading all 50 laps of the crown jewel dirt race, capturing his fourth career title in the esteemed event. Motorsports reporter Jeff Gluck invites…