Dale Earnhardt Jr. found himself in an unusual role at the Pocono Raceway. He was not behind the wheel or in the broadcast booth. Instead, he was calling the shots as a crew chief for the Xfinity Series race. This was not planned. The regular crew chief, Mardy Lindley, was suspended. So, Earnhardt stepped in to guide 18-year-old Connor Zilisch in the No. 88 Chevrolet...