NBCSN got a 1.21 rating and 2.095 million viewers for Sunday's #SouthPoint400 at Las Vegas, up slightly from a 1.15 rating/1.97M viewers for last year's race and extending the increase streak to six races for the first time since '11.
— Adam Stern (@A_S12) September 28, 2021
➖ Five of the final six races are on @NBC. pic.twitter.com/PabHRhnhqs