Nick Heidfeld has revealed the driver he believes to have been his quickest team-mate over his nine years in Formula 1 - and it isn't who you might perhaps expect.
Despite a hugely impressive GP2 Series campaign, Renault test driver Lucas di Grassi has admitted that his only chance of graduating to a Formula 1 race seat with the R?gie next year is if Nelsinho Piquet is no longer there.
For the second time this season, Romain Grosjean has seen a GP2 victory taken away from him, this time after the chequered flag had fallen on a dramatic feature race at Hockenheim.