MADISON, IL - AUGUST 25: Rear wings from the Graham Rahal, driver of the #15 Rahal Letterman Lanigan Racing Honda, sit in the paddock before the practice session for the Verizon IndyCar Series Bommarito Automotive Group 500 on August 25, 2017, at the Gateway Motorsports Park in Madison, Illinois. (Photo by Michael Allio/Icon Sportswire)