Will Power and Josef Newgarden were among the fastest cars in Indianapolis 500 practice, hours after their teams were penalized for illegal modifications in qualifying.

IndyCar penalized Josef Newgarden and Will Power for illegal modifications to their vehicles ahead of the Indianapolis 500. Both drivers will start in the back of the pack.

The paddock remains discontent with Roger Penske's roles in the IndyCar series after another scandal bringing conflict of interest concerns into full view.

The only laps two-time defending Indianapolis 500 winner Josef Newgarden turned during qualifying Sunday were on foot after Team Penske was disqualified from making a run at the pole.

Team Penske’s filling of a seam on the rear crash structures attached to the No. 2 Chevy of Josef Newgarden and the No. 12 Chevy of Will Power to improve airflow over the sides of the attenuators was deemed illegal by IndyCar Series technical inspectors prior to the Fast