Nearly four years ago, it was Tony Stewart and Stewart-Haas Racing who gave Chase Briscoe his first opportunity in the NASCAR Cup Series. 126 races and a playoff appearance later, it’s time for Briscoe to take on a new challenge, this time at one of NASCAR’s most storied teams, Joe Gibbs Racing. JGR formally announced Tuesday that Briscoe will replace the retiring Martin Truex Jr. in the No. 19 Toyota after he signed a multiyear deal with the team. Briscoe met with JGR soon after SHR announced it would be shutting down operations after the 2024 season and signed his contract the week of the ra…