Nascar driver falls from roof of car while celebrating race win and breaks collarbone

• Rookie Connor Zilisch cleared of serious head injury in New York

• Grateful it wasn't any worse,' says 19-year-old after freak accident

Nascar rookie Connor Zilisch has been ruled out of the Cup Series race at Watkins Glen International in New York after breaking his collarbone when he fell off the roof of his car on Saturday.

The 19-year-old won the Mission 200 at the Glen Xfinity Series race and climbed out of his No 88 JR Motorsports Chevrolet to celebrate. He had one foot on the roof and one on the ledge of the window and was posing for photographs when he lost his balance and tumbled to the ground head-first.