Menards Series, and NASCAR Camping World Truck Series teams, as well as JR Motorpsorts's Late Model and NASCAR Xfinity Series teams. They would be mentored by Mardy Lindley (GMS crew chief) and Josh Berry (JR Motorsports Late Model driver). GMS Racing drivers John Hunter Nemechek, Sheldon Creed, and Sam Mayer were among the inaugural members of the program. On December 1, 2021, Gallagher purchased a majority interest in the former Richard Petty Motorsports for 19 million. The deal included both of RPM's charters; the No. 43 continued to operate with its charter while the second charter - which was leased to Rick Ware Racing for the No. 51 from 2019 to 2021 - was transferred to a second car for the team, the No. 42. Following the purchase, the team was renamed to Petty GMS Motorsports. However, GMS continued to operate independent of Petty GMS and Richard Petty did not buy into GMS' Truck and ARCA teams. Xfinity Series Car No. 21 history Part-time (2016) On February 4, 2016, GMS announced that they would field a part-time Chevrolet Camaro for Spencer Gallagher for 13 races starting at Phoenix. The car number would be 21. Gallagher finished 23rd in that race. Gallagher ran a total of seven races in the No. 21 car in 2016, with a best finish of eighth in the Daytona July race. Car No. 21 results Car No. 23 history Spencer Gallagher (2017–2018) On December 1, 2016, GMS announced that they will field a full-time No. 23 (The 21 was occupied by Richard Childress Racing driver Daniel Hemric) Chevrolet Camaro for Spencer Gallagher. Gallagher had a disappointing rookie season, with just only one top 10 at Richmond and eight DNF's in the 2017 season. The organization scored its first NXS victory with Gallagher in spring 2018 at Talladega Superspeedway. On May 2, 2018, four days after his first win, NASCAR announced that Gallagher was suspended indefinitely for a substance-abuse violation. Johnny Sauter was announced as a substitute driver. Brennan Poole tested the car at Charlotte, leading some to believe that he would drive in the Charlotte race later that month. However, it was later announced that Cup Series driver Chase Elliott would be in the car for that race, as well as the races at Pocono, Chicagoland, Daytona, and Bristol. Alex Bowman was later announced as the driver of the 23 at Michigan and Kentucky while Justin