Who won the NASCAR Xfinity Series race at Sonoma? Connor Zilisch is the winner, plus full NASCAR Xfinity Series results at Sonoma Raceway.

Here are the NASCAR Xfinity Series results today from Sonoma Raceway, including the Xfinity Series stage results.

Connor Zilisch held off JR Motorsports teammate Shane van Gisbergen in the closing laps to win Saturday\"s NASCAR Xfinity Series race at Sonoma Raceway for his fourth career victory. The two battled 1 ...