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Lazio was the Italian club that Vieri joined after his stint at Atlético Madrid. He played for Lazio from 1998 to 2000, scoring 49 goals in 88 appearances. During his time at Lazio, Vieri won the Serie A title twice, the Coppa Italia once, and the UEFA Super Cup once. He also finished as the top scorer in Serie A in the 1998-99 season.