2002 he made headlines during a Serie A clash with Inter that ended 3-3: after netting a hat-trick that gave his side a 3-0 lead, Claudio López improvised an "Aserejé" goal celebration with teammate Bernardo Corradi, inspired by the dance routine of Spanish band Las Ketchup. In an interview 13 years later, he explained that the unexpected celebration had happened because "crazy Corradi enjoyed doing such things!" In the UEFA Cup, López found the net twice to help his team reach the semi-finals, where they would be knocked out by the eventual winners, Jose Mourinho's FC Porto. The following season was less successful for Lazio as they only finished 6th in Serie A and crashed out of the Champions League at the group stage. Claudio López only found the net 4 times in 36 appearances. He did manage, however, to win his second piece of silverware with the Roman club as they overcame Juventus in the two-legged Coppa Italia Final. Mexico, return to Racing López joined Club América for the 2004 Apertura, where he played in 17 games, scoring four goals. The following season, Clausura 2005 brought better results, with López scoring a total of 14 goals overall and helping the team to its tenth League championship in its history. It was his first and only league championship with any team. Claudio was instrumental to the team's success, also helping them win the CONCACAF Champions' Cup by scoring two goals in the Final over Tecos UAG. He played the 2006 FIFA Club World Cup. In 2007 López returned to Racing, 11 years after his departure from the club, and the country. In most of those games, usually coming in as a late sub, López scored several important goals. Major League Soccer On 7 March 2008, it was announced López had signed with the Kansas City Wizards on a free transfer. López fell under the league's designated player qualification, which means only the first $415,000 of his salary counted against Kansas City Wizards’ team salary cap. He later had his contract restructured to take him below designated player status. He scored on his debut for Kansas City against D.C. United on 29 March 2008. On 23 February 2010 the Argentine striker left after two seasons Kansas City Wizards. "We would have liked to have Claudio back in 2010, but unfortunately it became clear early in the contract negotiations that we could