Complex sentence: Lucchini signed a pre-contract agreement with U.C. Sampdoria in March 2007; he moved to the Genoa based club in the summer after his contract with Empoli had expired.
Split into simpler sentences: Lucchini signed a pre-contract agreement with U.C. Sampdoria in March 2007. He moved to the Genoa based club in the summer after his contract with Empoli had expired.