Philadelphia Phillies' Bryce Harper tells drivers to 'start your engines' at the Pennzoil 400

Philadelphia Phillies' Bryce Harper was the Grand Marshall at the Las Vegas Motor Speedway and told drivers to "start your engines" at the Pennzoil 400.

NASCAR Cup Series Philadelphia Phillies Bryce Harper CUP - Pennzoil 400 presented by Jiffy Lube - 03/05/2023