 Complete the following phrase:  For the 2019 IndyCar season, Herta signed to drive the No. 88 Harding Steinbrenner Racing car. Herta was the first IndyCar Series driver born in the 2000s to start a race. On March 24, 2019, at the age of 18, Herta became the youngest-ever winner in IndyCar history by winning the IndyCar Classic at Circuit of the Americas. He qualified 5th for the 