Rick Allen, a longtime NASCAR commentator ... with Diffey debuting at the Coke Zero Sugar 400 at Daytona International Speedway and Allen shifting to call Xfinity Series races.

Rick Allen spent years at FOX announcing Truck Series and ARCA races on SPEED and then FS1.Starting in 2014, he was added to the Cup Series and Xfinity Series booth at NBC. That all changed last year.

Rick Allen, who has been an inconspicuous part of ... on fire,” Kelley Earnhardt said during a post-race interview (via Speedway Digest). “So yeah, tonight was unique in the fact that Justin ...