In 2006-07, Marchionni agreed to play with Juventus in Serie B, and under manager Didier Deschamps, he immediately helped his team to win the title, and gain Serie A promotion that season; his performances enabled him to be recalled to the national side [REF].
During the 2007-08 season, his second with Juventus, which saw Juventus compete in Serie A once again, Marchionni suffered an injury filled season, keeping him off the pitch for most of the season.