PITTSBURGH, PA (Pittsburgh Racing Now) - The latest edition of The Pittsburgh Racing Now Podcast features NASCAR driver Ross Chastain, who is joining Chip Ganassi Racing in 2021 plus Jason Rittenberry, the Chief Operating Officer of the Music City Grand Prix and local 410 Sprint Car driver Darin Gallagher, who picked up his first 410-win last Sunday at Tri-City Raceway Park.