Gallery: F1 drivers who raced in the Indy 500

On Wednesday, McLaren announced that Fernando Alonso will skip the Monaco Grand Prix to make his Indy 500 debut. The occasion will also mark McLaren's return to the US after nearly four decades. The Spaniard's car will be run by Andretti Autosport and powered by a Honda engine. F1 and Indy 500 have had a long relationship and the fabled American race was once a part of the world ... Keep reading