Nico Jamin led every lap to secure the victory for Andretti Autosport in the first of two races on the IMS road course.
Colton Herta, starting from pole based on his position atop the championship standings, won his second race of 2017 at Barber Motorsports Park.
Nico Jamin took advantage of a wild start to pounce on the pole sitter and cruise to his first career Indy Lights victory.
Colton Herta leads the Indy Lights points standings as the series prepares for a doubleheader in Alabama.
The 400th Indy Lights race will be run this weekend at Barber following a historic first 398 races.
Colton Herta took his first career Indy Lights win in just his second start on the streets of St. Petersburg.
Aaron Telitz used fresh tires and clean racing to start and finish first in the opening race of the 2017 Indy Lights season.
Nico Jamin topped the oval timesheet while teammate Colton Herta was fastest on the road course at Homestead.
Neil Alberico will return to championship-winning team Carlin for his sophomore Indy Lights season.
Matheus Leist, the 2016 BRDC British Formula 3 champion, will join Carlin's Indy Lights team in 2017.