Wait 'til next year: Palou, O'Ward fall to Castroneves
Alex Palou, of Spain, drives into Turn 1 during the Indianapolis 500 auto race at Indianapolis Motor Speedway, Sunday, May 30, 2021, in Indianapolis. (AP Photo/Darron Cummings)

Alex Palou, of Spain, drives into Turn 1 during the Indianapolis 500 auto race at Indianapolis Motor Speedway, Sunday, May 30, 2021, in Indianapolis. (AP Photo/Darron Cummings)

May. 30, 2021 03:19 PM EDT
Alex Palou, of Spain, drives into Turn 1 during the Indianapolis 500 auto race at Indianapolis Motor Speedway, Sunday, May 30, 2021, in Indianapolis. (AP Photo/Darron Cummings)

Alex Palou, of Spain, drives into Turn 1 during the Indianapolis 500 auto race at Indianapolis Motor Speedway, Sunday, May 30, 2021, in Indianapolis. (AP Photo/Darron Cummings)

May. 30, 2021 03:16 PM EDT
Tony Kanaan, left, of Brazil, greets Alex Palou, of Spain, before the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Sunday, May 30, 2021. (AP Photo/Michael Conroy)

Tony Kanaan, left, of Brazil, greets Alex Palou, of Spain, before the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Sunday, May 30, 2021. (AP Photo/Michael Conroy)

May. 30, 2021 01:23 PM EDT
Tony Kanaan, left, of Brazil, and Alex Palou, of Spain, take a photo before the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Sunday, May 30, 2021. (AP Photo/Michael Conroy)

Tony Kanaan, left, of Brazil, and Alex Palou, of Spain, take a photo before the Indianapolis 500 auto race at Indianapolis Motor Speedway in Indianapolis, Sunday, May 30, 2021. (AP Photo/Michael Conroy)

May. 30, 2021 01:22 PM EDT