This is the first race of the five race 'Summer Series' for the Turner Sports brand. It was the first of five races this summer on TNT, following FOX Sports and Prime Video.<br>The race at Sonoma last year earned 2.2 million viewers but did not face competition from the World Cup, one that also took place on the same continent. The race at Sonoma last year also was in July.<br>Meanwhile ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/tv-ratings-released-for-sonoma-nascar-weekend/10835202/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>