The frustration continues to wear on Team Penske drivers, especially series star Josef Newgarden. Will Power's contract is set to expire and Scott McLaughlin continues to struggle.

Alex Palou retains a healthy lead in the overall points standings. He has won seven of the 12 IndyCar races this season.

"It saved me a headache." IndyCar's aeroscreen was tested for the first time in race at Iowa Speedway five years ago.