During that season, Verdelli played mostly as a backup, appearing twenty times in the Giovanni Trapattoni-led team that won the Serie A title with just two defeats.
He was successively appointed youth coach of Inter Milan, winning a Campionato Nazionale Primavera and a Torneo di Viareggio.
In 2004 Verdelli was appointed head coach of Serie B club Ternana, but was replaced by Giovanni Vavassori a few weeks later.
He successively worked as head coach of amateurs Pontisola in the 2009–2010 Serie D season, leading the club to third place.
His return to professional coaching happened in the following season, as he was appointed boss of bottom-placed Lega Pro Prima Divisione club Monza in November 2010;[1] Verdelli however failed to drive the club out of the relegation zone and found himself again in last place a few weeks before the end of the season, being consequently removed from his coaching duties on 30 March 2011.