Earnhardt Jr. will serve as the crew chief for Connor Zilisch in the Xfinity Series race at Pocono on Saturday. Zilisch’s crew chief Mardy Lindley is serving a one-race suspension for loose lug nuts on Zilisch’s car at the end of the race in Nashville earlier this month.

JR Motorsports co-owner will fill in for No. 88 crew chief Mardy Lindley for Saturday's Xfinity Series race at Pocono (3:30 p.m. ET, The CW).

Dale Earnhardt Jr. will assume a new role this weekend at Pocono Raceway as the crew chief for JR Motorsports driver Connor Zilisch.