In eight innings of work with the Vipers in 2009, Cillo allowed nine runs on twelve hits and six walks. He returned to Fortitudo Bologna for the 2010 season. Fortitudo finished second in the Italian Baseball League, then went on to win the Coppa Italia and the 2010 Final Four. Cillo was also a member of the Italy national baseball team who won the 2010 European Baseball Championship. In , Cillo went 6–4 with a 3.09 ERA and 55 strikeouts.