Round 4 - Birmingham, Alabama, USA: 22-24 April, 2016, Birmingham, Alabama USA 3 Helio Castroneves, 22 Simon Pagenaud ?2016, Sam Cobb LAT Photo USA
22-24 April, 2016, Birmingham, Alabama USA
3 Helio Castroneves, 22 Simon Pagenaud
?2016, Sam Cobb
LAT Photo USA