2020 NASCAR Cup Series (Dubsy's World)

The 2020 NASCAR Cup Series was the 72nd season of professional stock car racing in the United States, and the 49th modern-era Cup series season.

Changes

 * Mike Beam bought the assets of BK Racing and aligned with GMS Racing running Johnny Sauter in the Daytona 500 and Spencer Gallagher in the rest of the 35 races.
 * Daniel Hemric replaced Chris Busecher in the #37 for his rookie campaign. Buescher moved into a third Roush Fenway Racing car.
 * Trevor Bayne was released from his RFR contract at the end of the 2018 season while Matt Kenseth moved into a full time role in the 6 car. Bayne ran a full-time Xfinity schedule in 2019 with JR Motorsports replacing defending champion Elliott Sadler who retired on top. He made starts at restrictor plate tracks for Premium Motorsports as well.
 * Gray Gaulding started the season with StarCom Racing but was replaced by Landon Cassill after Phoenix. Cassill later left the team after Richmond leaving Corey LaJoie to take over the ride for the rest of the season with Alon Day racing at the road courses.
 * Ryan Reed moved up from the Xfinity series to a third Front Row Motorsports car for his rookie campaign.
 * Gaunt Brothers Racing became the only unchartered team to run a full schedule with several drivers including DJ Kennington, Jesse Little, and Jeb Burton.
 * Leavine Family Racing switched from Chevrolet to Toyota ending their alliance with Richard Childress Racing and aligning with Joe Gibbs Racing. This allowed Christopher Bell to move up to the series for five races while racing for the Xfinity Series championship.
 * Brendan Gaughan raced in his final NASCAR race for Beard Motorsports in the Daytona 500.
 * Kaulig Racing made three starts later in the season with Ryan Truex in plans to eventually move up to the Cup series.
 * Matt Tifft and Brandon Hightower both made their Cup debuts for Premium Motorsports.
 * Alex Labbe made his Cup debut at the fall race in Phoenix with StarCom Racing while Matt Mills also made his NASCAR debut at Phoenix in the spring race with Rick Ware Racing.
 * Cole Custer expanded his Cup schedule with Stewart-Haas Racing teamed up with Rick Ware Racing.
 * JJ Yeley and Cole Whitt raced for part time TriStar Motorsports.
 * MBM Motorsports shut down their Cup program after running Chad Finchum and Timmy Hill in four of the first nine races.