Petacchi signed with for the 2010 season. Petacchi won that year the first and fourth stages of the Tour de France – his first stage wins in the race since 2003. Before going on to complete the grand slam as he won the green sprinters jersey to complete the feat at all the grand tours. In so doing he was the 1st person to complete the feat since 1999 and the first Italian to win the points classification in the Tour de France since 1968.