Callum Ilott will take over the No. 6 Arrow McLaren car for the Indianapolis 500 this month.

Two Mercedes employees will follow Lewis Hamilton to Ferrari, with the Italian outfit appointing former F1 driver Jerome d'Ambrosio as deputy team boss.

Defending Indy Series champ Alex Palou pulled away from Will Power to win his second straight Indy Grand Prix on Saturday and move back to the top of the points standings.

Justin Allgaier led 119 of 147 laps, sweeping both stages as he finished ahead of Austin Hill and defending series champion Cole Custer.

Álex Palou captured his first pole on the Indy road course and the first this season for Chip Ganassi Racing.

With Max Verstappen and Red Bull setting the standard in Formula One, how are opponents McLaren, Mercedes and Ferrari working to catch up?