In 2020, Starr moved to JD Motorsports to drive their No. 6 car, renumbered from the No. 01. He lost his ride with the team on May 18 due to sponsorship problems caused by the COVID-19 pandemic. On June 9, he made his return to the Cup Series in the the spring Martinsville race in the No. 53 for Rick Ware Racing. Starr returned to the Xfinity Series with SS-Green Light Racing at Texas in July, driving the No. 07, which was fielded in an alliance with RWR.