That 's the 24th-most in the sport 's history as the three - time champ seeks another milestone Saturday night : his 50th career win .
NASCAR veteran Tony Stewart , continuing his retirement tour , will make his 600th career Sprint Cup Series start at Kentucky .
That 's the 24th-most in the sport 's history as the three - time champ seeks another milestone Saturday night : Tony Stewart 's 50th career win .
NASCAR veteran Tony Stewart , continuing his retirement tour , will make his 600th career Sprint Cup Series start at Kentucky .