 Complete the following phrase:  Di Grassi sought to race in Formula One in 2009 with Renault and speculation arose in the motor sport press over him replacing fellow countryman Nelson Piquet Jr. after the latters poor performance compared to his teammate Ferdo Alonso. Renault looked at running either di Grassi or fellow test driver Romain Grosjean for the season, but eventually chose to keep Piquet and Alonso. He along with the 2008 GP2 Series runner-up Bruno Senna were strongly considered by Ross Brawn to drive for Honda. The pair tested the Honda RA108 at the 