 With Treviso, he won the Italian League championship in 2003, and also the Italian Cup title thrice, adding them to a total streak of 5 consecutive titles, with two different clubs.Messina then joined the Russian club CSKA Moscow in 2005, and led the team to the EuroLeague's 2005–06 title, and the coveted Triple Crown, in his first season there.On 4 May 2008, CSKA won the EuroLeague championship again under Messina - the club gained its sixth EuroLeague title by downing Maccabi Tel Aviv at the 2007–08 Madrid edition of the EuroLeague Final Four.