Chip Ganassi Racing managing director Mike Hull has confirmed that shrapnel piercing the radiator of Scott Dixon’s No.9 PNC Bank Honda in the Bommarito Automotive Group 500 on Saturday night was the cause of the Iceman’s retirement from the race.

Replying to a question from a fan on Twitter Hull said:

There are two races remaining in the 2019 NTT IndyCar Series season with a maximum 156 points still on the table the championship is still to play for.

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