Grid penalties for Glock, Di Grassi, Petrov, Chandhok

The Virgin cars of Timo Glock and Lucas di Grassi will both drop five places on the grid for Sunday’s Spanish Grand Prix due to a procedural infringement of the rules by the team. Renault’s Vitaly Petrov and HRT’s Karun Chandhok are also set to take identical penalties for unscheduled gearbox changes…