Complex sentence: In 2004, he signed for A.S.D.C. Canelli, which he helped to win its Eccellenza round in 2005/2006, being therefore promoted to Serie D, with Gianluigi Lentini as one of his fellow players.
Split into simpler sentences: In 2004, he signed for A.S.D.C. Canelli, which he helped to win its Eccellenza round in 2005/2006. Because of this he was promoted to Serie D, with Gianluigi Lentini as one of his fellow players.