Cosmopolitan of Las Vegas partners with Richard Petty Motorsports WELCOME, N.C. (February 28, 2018) – This weekend, the famed Richard Petty Motorsports No. 43 will carry new colors for one race. The Cosmopolitan of Las Vegas will be the primary sponsor of the team and driver Darrell “Bubba” Wallace Jr, boasting the luxury property’s signature shade, a jewel-toned purple. The No. 43 Cosmopolitan Chevrolet Camaro ZL1 will race in the Pennzoil 400 this Sunday, March 4 at the Las Vegas (Nev.) Motor Speedway.