 In his first season with Tigre he helped them to gain promotion to the Primera Division Argentina.He stayed with the club and become an important part of the squad playing their first season at the top level of Argentine football since 1980.Lázzaro finished the Apertura 2007 as the club's top scorer with 10 goals in 18 games, helping Tigre to finish in 2nd place, the best league finish in the club's history.