 In 1992, Pochettino played four matches for the Argentina under-23 team at the CONMEBOL Pre-Olympic Tournament in Paraguay, which saw them fail to qualify for the 1992 Summer Olympics.Pochettino won 20 caps for the full side over a period of four years.He was handed his first senior international by his former manager Bielsa, playing his first match on 31 March 1999 in a friendly against the Netherlands at Amsterdam Arena, ending in a 1–1 draw.