<P> On August 18 , 2016 , Byron and Hendrick Motorsports announced they have signed a multi-year driver agreement , with Byron running full - time in the Xfinity Series driving the No. 9 Chevrolet Camaro for JR Motorsports in 2017 . Byron finished 2nd at Michigan , just losing out to Denny Hamlin . One week later , Byron won his first career race at Iowa after Christopher Bell wrecked late in the race , battling for a win with Ryan Sieg , who eventually placed second . He ended up winning again the week later in an overtime finish at Daytona . Byron also won at Indianapolis Motor Speedway for the third Xfinity victory of his career ; he would add a fourth win when the series visited Phoenix for the penultimate race of the season . The Phoenix win also placed Byron among the four drivers eligible to race for the series championship at Homestead - Miami Speedway . At the final race in Miami , Byron held on as he finished 3rd , ahead of his Championship 4 teammate , Elliott Sadler . He won the 2017 NASCAR Xfinity Series Championship </P>
<P> On August 18 , 2016 , Byron and Hendrick Motorsports announced they have signed a multi-year driver agreement , with Byron running full - time in the Xfinity Series driving the No. 9 Chevrolet Camaro for JR Motorsports in 2017 . Byron finished 2nd at Michigan , just losing out to Denny Hamlin . One week later , Byron won his first career race at Iowa after Christopher Bell wrecked late in the race , battling for a win with Ryan Sieg , who eventually placed second . He ended up winning again the week later in an overtime finish at Daytona . Byron also won at Indianapolis Motor Speedway for the third Xfinity victory of his career ; he would add a fourth win when the series visited Phoenix for the penultimate race of the season . The Phoenix win also placed Byron among the four drivers eligible to race for the series championship at Homestead - Miami Speedway . At the final race in Miami , Byron held on as he finished 3rd , ahead of his Championship 4 teammate , Elliott Sadler . He won the 2017 NASCAR Xfinity Series Championship </P>
who did william byron drive for last year
who did william byron drive for last year
JR Motorsports
JR Motorsports