His only win came in 1915 .
Despite making only 10 starts at Indy , DePalma is one of 10 back - to - back pole winners and his 612 laps led still rank No. 2 all - time .
DePalma 's only win came in 1915 .
Despite making only 10 starts at Indy , DePalma is one of 10 back - to - back pole winners and his 612 laps led still rank No. 2 all - time .