2021 IMSA Preview: Season begins with 59th Rolex 24 at Daytona | Motorsports on NBC

Leigh Diffey and Calvin Fish preview and take a look at the changes for the upcoming 2021 IMSA season, beginning with the 59th Rolex 24 at Daytona on January 30-31. #NBCSports #IMSA #Rolex24

https://www.youtube.com/watch?v=m1HvzFtI2Hk