Which driver became just the fourth to win four Indianapolis 500s, in 2021?

Hélio Castroneves became the fourth driver to win four Indianapolis 500s in 2021.

The Brazilian won the 105th Indianapolis 500 on May 30, 2021, driving for Meyer Shank Racing. He passed Alex Palou late in the race and secured his fourth victory, joining A.J. Foyt, Al Unser, and Rick Mears in the event’s exclusive four-win club.

Castroneves’s earlier victories came in 2001, 2002, and 2009, all with Team Penske. His 2021 triumph was especially notable because it came in his first IndyCar start of that season and his first Indianapolis 500 with Meyer Shank Racing.

The phrase “fourth to win four” does not mean he won the fourth Indianapolis 500 ever. It means he was the fourth driver in race history to reach four victories. His win also made him the first driver to win the race for Team Penske and another team.