(born June 29, 1980) is an American professional stock car racing driver.
He currently competes full-time in the NASCAR Cup Series, driving the No.
19 Toyota Camry for Joe Gibbs Racing.
He is the 2017 Monster Energy NASCAR Cup Series champion and a two-time NASCAR Xfinity Series champion; having won the title in 2004 and 2005.
In 2019 he won his second Coca-Cola 600.
His younger brother, Ryan, is a champion in the NASCAR K&N Pro Series East division and currently races in the Xfinity Series, while his cousin Curtis raced for JR Motorsports.