The 98th Indianapolis 500

Ryan Hunter-Reay celebrates in Victory Lane with his wife, Beccy, and son, Ryden, on Sunday at Indianapolis Motor Speedway.   (Steven C. Mitchell / EPA)

Ryan Hunter-Reay acknowledges the fans during his victory speech after winning the Indianapolis 500 on Sunday.   (Jonathan Ferrey / Getty Images)

IndyCar driver Ryan Hunter-Reay is joined by son Ryden and wife Beccy for the traditional kissing of the bricks at Indianapolis Motor Speedway following his victory.   (R Brent Smith / Associated Press)

Ryan Hunter-Reay, who called himself ‘a proud American boy,’ celebrates after winning the 98th running of the Indianapolis 500 on Sunday. He was the first American to win the race since 2006.   (Tom Strattman / Associated Press)

Full-time NASCAR driver Kurt Busch takes off his helmet as he prepares to exit Indianapolis Motor Speedway and travel to the Sprint Cup Series race in Charlotte, N.C.  (R Brent Smith / Associated Press)

Driver Ryan Hunter-Reay crosses the finish line six-tenths of a second ahead of Helio Castroneves to win the 98th running of the Indianapolis 500 on Sunday.  (Chris Graythen / Getty Images)

IndyCar driver Ryan Hunter-Reay leads Helio Canstroneves and the rest of the lead pack during the Indy 500. Hunter-Reay and Castroneves pulled away for a two-car race on the final six laps.   (Robert Laberge / Getty Images)

Ryan Hunter-Reay leaves pit row after a stop during the Indy 500 on Sunday.   (Tom Strattman / Associated Press)

The car of driver Townsend Bell slams against the wall in Turn 2 at Indianapolis Motor Speedway with 10 laps to go, bringing out a red flag.  (Mike Fair / Associated Press)

Ryan Hunter Reay guides his car arcoss the finish line in front of the pagoda-style center at Indianapolis Motor Speedway during the Indy 500 on Sunday.   (Jamie Squire / Getty Images)

The cars of drivers James Hinchcliffe and Ed Carpenter hit the wall in Turn 1 as Kurt Busch goes low to avoid the accident.  (Kirk DeBrunner / Associated Press)

Ryan Hunter-Reay leads a pack of drivers off pit road, including Tony Kanaan, Marco Andretti and Helio Castroneves, during the Indy 500.   (Tannen Maury / EPA)

Team owner Mario Andretti looks over tires for driver Marco Andretti during the Indy 500 on Sunday.   (Chris Graythen / Getty Images)

Defending Indy 500 winner Tony Kanaan, driver of the No. 10 Target Chip Ganassi Racing Honda, could do no better than 26th on Sunday because of mechanical problems.  (Jamie Squire / Getty Images)

Drivers start their engines for the beginning of the Indy 500 on Sunday.   (Robert Laberge / Getty Images)

Takuma Sato does a list-minute check in the cockpit before the start of the Indianapolis 500.  (Robert Baker / Associated Press)

LeAnn Rimes sings the national anthem during ceremonies before the start of the Indy 500 on Sunday.   (Kamil Krzacynski / EPA)

Jim Nabors sings “Back Home Again in Indiana” during pre-race ceremonies for the Indianapolis 500. Nabors, who has performed the song annually at the race since 1972, announced that this would be his last time singing at the Indy 500.   (Michael Conroy / Associated Press)

Spectators at the Indy 500 watch the Black Diamond Jet Team do a fly-over during pre-race ceremonies on Sunday.  (Tom Strattman / Associated Press)