 After missing the first two months of the season due to an injury suffered while on international duty at the 2008 Beijing Games, Rocchi never reached his usual goalscoring form, finishing with just 9 for the season; his lowest tally in six years.However, the club won their fifth Coppa Italia title, defeating Sampdoria in a penalty shootout.Rocchi suffered the indignity of being the only Lazio player to fail to convert his spot kick, however he did go on to score the winning goal in the Italian Super Cup final against Inter Milan.