 However, Verona had a very poor start in their Serie C1 2007–08 campaign, with no wins in the initial seven league matches, and a shock 1–2 defeat against Legnano led the club management to sack Colomba on 8 October 2007.In December 2008 he was appointed as new head coach of Ascoli, becoming the third manager of the "bianconeri" in the Serie B 2008–09, and replacing Vincenzo Chiarenza.He guided Ascoli into a mid-table finish at the end of the season, but his contract was not extended and therefore left the club.