 He was relatively important in the Lisbon team's 2000 conquest of the Primeira Liga championship, playing alongside another Newell's youth graduate Aldo Duscher who also joined in 1998; at Napoli he played with former Sporting teammate Luis Vidigal, as they were eventually relegated from Serie A.In 2004, Quiroga moved to VfL Wolfsburg, a club that acquired a number of Argentine players in that timeframe (Oscar Ahumada, Andrés D'Alessandro, Diego Klimowicz and Juan Carlos Menseguez).A regular in the lineups from 2004 to 2007, he only appeared in 12 Bundesliga matches in his last year, subsequently returning to Argentina and joining Club Atlético River Plate.