NASCAR officials issued penalties on Tuesday to teams in the Cup Series and Xfinity Series for violations stemming from last weekend‘s events at Sonoma Raceway. In the Cup Series, the No. 51 Rick Ware Racing Ford team was cited during Sunday‘s race for a safety violation involving the loss or separation of an improperly installed

Connor Zilisch held off Shane van Gisbergen over the final laps to win Saturday’s Xfinity Series race at Sonoma Raceway. It marked the second race in a row the two finished first and second but last weekend at Chicago it was van Gisbergen defeating Zilisch.

FORECAST: WeatherUnderground — Mostly sunny with a high 83 degrees and winds from the south to southwest at 10 to 15 mph. It's expected to be 80 degrees with a 0% chance of rain at the start of the Xfinity race.

For Zilisch, the victory was revenge for last Saturday’s Xfinity race at the Chicago Street Course, where the 36-year-old van Gisbergen ran his 18-year-old teammate wide in Turn 2 to take the lead and win a two-lap shootout for the victory.

Rick Ware Racing (RWR), as expected, will be operating without two valuable pit crew members for the next two weeks, after Cody Ware and the No. 51 Ford Mustang

Shane van Gisbergen, driving a car for JR Motorsports, claimed the pole for Saturday’s Xfinity race at Sonoma Raceway. He toured the 1.99-mile road course at an average of 95.191 mph. Connor Zilisch will join van Gisbergen on the front row after a lap of 94.884 mph. That gives JR Motorsports a sweep of the front row.

Sonoma will be the second straight road-course race for NASCAR, and the fourth of the season. Two more remain: Watkins Glen and the Charlotte Roval.

Connor Zilisch and Shane van Gisbergen. It’s a blossoming rivalry that will likely play out on the road courses for many years to come in the NASCAR Cup Series,