to a youthful team while he worked his way back into the game. He played 12 games in the 2012 Apertura before leaving the team in December 2012 to trial with the Philadelphia Union in Major League Soccer. United States In January 2013, Medina joined the pre-season camp of the Philadelphia Union in Major League Soccer as a trialist. He was the first player recruited into pre-season camp by the Union's Director of International Player Development, Ricardo Ansaldi, who has strong ties to one of Medina's former clubs, Tiro Federal. International career Medina was part of the Argentine U17 team in the South American qualifiers hosted by Uruguay for the 1999 FIFA U17 World Cup; however, Argentina finished in 4th place and did not qualify. His performances saw him called up to train in Amsterdam with the full national team for a friendly in March 1999 against Netherlands. He started all 7 games for the U20 team in the 2001 FIFA U20 World Cup in Argentina, including going 90 minutes in the final against Ghana. (in addition to 1st-round games against Finland, Egypt and Jamaica – round of 16 game against China, quarter-final against France and semi-final game against Paraguay). As part of that U20 World Championship team, Medina's performance was cited by FIFA in the tournament's Technical Report as follows – "Central midfielder Medina was a key player in the Argentine squad. He regularly won back possession and created balance when the team attacked. He moved around the pitch smoothly and when he got the ball, automatically increased the pace of the game. He delivered one-two passes with great ease and precision" . Unlike many of his teammates, he would not be able to replicate that success at the national team level. Medina was a starting member for Argentina in the 2004 South America Olympic qualification tournament held in Chile, where he played 5 games (1st-round games against Bolivia, Ecuador and Colombia as well as Final Stage games against Paraguay and Brazil). Medina was then part of the gold medal winning Argentine team at the 2004 Summer Olympics At the Olympics, he made 3 appearances as a substitute (1st-round game against Serbia and Montenegro, quarter-final game against Costa Rica as well as the semi-final game against Italy and was an unused substitute in the other 3 games, including the final against Paraguay. He was called into the 2003 winter