Andretti at ease at Indy after stepping back from racing
Marco Andretti climbs into his car during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway, Thursday, May 20, 2021, in Indianapolis. (AP Photo/Darron Cummings)

Marco Andretti climbs into his car during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway, Thursday, May 20, 2021, in Indianapolis. (AP Photo/Darron Cummings)

May. 20, 2021 02:23 PM EDT
Marco Andretti, left, talks with Michael Andretti during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway, Wednesday, May 19, 2021, in Indianapolis. (AP Photo/Darron Cummings)

Marco Andretti, left, talks with Michael Andretti during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway, Wednesday, May 19, 2021, in Indianapolis. (AP Photo/Darron Cummings)

May. 19, 2021 06:28 PM EDT
Mario Andretti watches as his grandson Marco Andretti practices for the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Tuesday, May 18, 2021. (AP Photo/Michael Conroy)

Mario Andretti watches as his grandson Marco Andretti practices for the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Tuesday, May 18, 2021. (AP Photo/Michael Conroy)

May. 18, 2021 05:33 PM EDT
Marco Andretti watches during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway, Thursday, May 20, 2021, in Indianapolis. (AP Photo/Darron Cummings)

Marco Andretti watches during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway, Thursday, May 20, 2021, in Indianapolis. (AP Photo/Darron Cummings)

May. 20, 2021 02:23 PM EDT
Marco Andretti removes his gear after a session during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Tuesday, May 18, 2021. (AP Photo/Michael Conroy)

Marco Andretti removes his gear after a session during practice for the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Tuesday, May 18, 2021. (AP Photo/Michael Conroy)

May. 18, 2021 12:59 PM EDT