The 18-year-old grandson of NASCAR Hall of Famer and team owner Joe Gibbs will return for an additional 14 Xfinity Series races throughout the 2021 season.
The 23-year-old native from Mooresville, North Carolina, is slated to make his first Xfinity start of the season at Dover International Speedway in May.
The two-time Cup champion benefitted from a last lap incident involving Chase Elliott and Ryan Blaney to steal the win in the first Busch Clash event on Daytona's RC.
The 28-year-old native from Lewisville, North Carolina, will be returning to the Xfinity Series and make his first start with JGR at Daytona International Speedway in February.
