Andretti, 35, is the grandson of motorsports icon Mario Andretti.<br>Andretti competed full-time as an IndyCar driver from 2006 to 2020, winning twice. Since then, he has made one-off appearances in the Indianapolis 500, a race he has started 17 times.<br>Most recently, he earned the championship in Season 2 of Tony Stewart's six-week Superstar Racing Experience (SRX). He beat NASCAR veterans Ryan ...<a class='more' href='https://www.motorsport.com/nascar-xs/news/marco-andretti-nascar-xfinity-debut-charlotte/10350286/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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