the 1997 campaign with hamstring problems and then played through much of the 2001 season despite suffering a broken wrist in the season opener. Cardozo is the all-time leading scorer for Toluca, with 249 goals in 332 appearances. In July 2006, Cardozo attempted to return to Club Olimpia to finish his career. He was unable to re-sign for the club because the Paraguayan league's transfer deadline had already passed. As a result of his inability to sign for Olimpia, he decided to retire from football. He scored 342 goals total in his career. In June 2008 a farewell match was organized in the city of Toluca to honor his career and contributions to football. Cardozo scored two goals in the match which had a sellout crowd. Paraguay national team Cardozo was the all-time leading scorer for the Paraguay national team, with 25 goals, until 2013, with the record being broken by Roque Santa Cruz. He played for his country at the 1998 and 2002 World Cups and was named in the original 2006 World Cup squad but he was injured during training sessions and replaced by Dante López. Cardozo was also an over-age player at the 2004 Summer Olympics, when Paraguay finished second. On 4 August, before the Summer Olympics began, he played in a preparation game against the Portugal of Cristiano Ronaldo in the city of Algarve, resulting in a 5–0 defeat. He scored a hat-trick against Uruguay in the 2006 FIFA World Cup qualification, with the final result being 4–1. International goals Paraguay U23 Score and Result list Paraguay's goal tally first. Paraguay Coaching career Club Olimpia In November 2006, Club Olimpia's coach Oscar Paulin was fired due to poor performances by the team and Cardozo was named as the interim coach of the Paraguayan club, this being his first experience as a coach. He coached for the remainder of the year and for the 2007 Apertura tournament.true Indios In October 2009 he was hired to be an assistant coach for the team of Indios de Juarez for the Apertura 2009. Club Olimpia (Return) Cardozo returned to Olimpia Asunción in November 2009 following coach Carlos Kiese's resignation. Querétaro FC In 2011, he was hired as coach Querétaro FC where he led the team into their first liguilla and the team's all team highest place (8th) and points (26) in Primera División regular season. He managed to eliminate Guadalajara