Complex sentence: In July 2009 Lucarelli completed a much-publicized comeback at Livorno on a loan move from Parma; he had already played for Livorno from 2003 to 2007.
Split into simpler sentences: In July 2009 Lucarelli completed a much-publicized comeback at Livorno on a loan move from Parma. Lucarelli has already played for Livorno from 2003 to 2007.