Christopher Bell has expressed his shock at Joe Gibbs Racing's rule change after the NASCAR team moved to replace Martin Truex Jr.

Joe Gibbs Racing has lifted restrictions on its NASCAR drivers, allowing them to participate in various motorsport disciplines, including dirt racing.

Joe Gibbs is calling an audible. After more than two years, the football-coach-turned-NASCAR-team-owner will largely lift the restrictions that prohibited his Cup Series drivers from extracurricular racing on dirt.

Joe Gibbs Racing is set to lift a team restriction that previously disallowed its NASCAR Cup Series drivers to compete in extracurricular racing on dirt and other disciplines. The decision was first reported Monday by The Athletic and later confirmed to NASCAR.

Joe Gibbs Racing drivers will be able to compete in more dirt racing events moving forward. On Monday, The Athletic's Jeff Gluck reported that Joe Gibbs Racing will lift dirt racing restrictions for its NASCAR Cup Series drivers.

Joe Gibbs, the former football coach who owns a NASCAR racing team, is giving his drivers more options. The racing team confirmed Monday that it will have a process allowing drivers to request competing outside the NASCAR Cup Series on dirt tracks and in other forms of motorsports -- something Gibbs has restricted.