1 of 8

Will Power (12) leads the field at the start of Sunday's Firestone Grand Prix of St. Petersburg. (Chris Owens/IndyCar photo)

Graham Rahal (15) leads a pack of cars during Sunday's Firestone Grand Prix of St. Petersburg. (Karl Zemlin/IndyCar photo)

Jack Harvey (60) battles James Hinchcliffe (5) in front of a snarling pack during Sunday's Firestone Grand Prix of St. Petersburg. (Joe Skibinski/IndyCar photo)

Scott Dixon (9) chases Josef Newgarden during Sunday's Firestone Grand Prix of St. Petersburg. (Chris Owens/IndyCar photo)

Josef Newgarden (2) leads the field during Sunday's Firestone Grand Prix of St. Petersburg. (Al Steinberg photo)

Josef Newgarden takes the twin checkers to win Sunday's Firestone Grand Prix of St. Petersburg. (Joe Skibinski/IndyCar photo)