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.
The 18-year-old grandson of NASCAR owner Joe Gibbs will contend for the 2021 ARCA championship while making his Xfinity Series debut at Daytona RC in February.