NASCARs Kasey Kahne to Stop Driving Full Time; Grueling Schedule Takes a Toll Veteran NASCAR Cup Series driver Kasey Kahne said on Thursday that he will stop driving on a full-time basis after the 2018 season. In his tweet, Kahne revealed that he turned down an offer from Leavine Family Racing to return as a full-time driver in 2019. Kahne is on pace to miss the NASCAR Cup Series playoffs for the third time in four years. Among Kahnes biggest career accomplishments are a Cup Series Rookie of the Year award, 18 Cup Series wins, eight Xfinity Series wins and five Truck Series wins. Kahne has yet to announce if he intends to sit out the entire 2019 season or run a reduced schedule.