Top 10 F1 to Indy car converts ranked

Romain Grosjean will follow in esteemed footsteps when he makes the switch to U.S. open-wheel racing this season, the well-trodden path from Formula 1 most recently traversed by Marcus Ericsson. But who is the greatest F1-to-Indy convert?
Drivers must first have competed in F1 to be eligible for our list, which rules out 1993 McLaren driver Michael Andretti and his 1978 world champion father …Keep reading