Gabriel Humberto Calderón (born 7 February 1960) is an Argentinian professional football manager and former player, who is currently the manager of UAE Pro League side, Khor Fakkan Club. Calderón played in several teams including Argentine Racing Club de Avellaneda and Club Atlético Independiente, Spanish Real Betis and French Paris Saint-Germain. He was part of the Argentina Under-20 team that won the 1979 FIFA World Youth Championship, and also played in the 1982 FIFA World Cup in Spain and in the 1990 FIFA World Cup in Italy. After his retirement, he managed Caen, Lausanne Sports and several teams in the Middle East including the Saudi Arabia national team, Omani national team, Al-Ittihad, Al-Hilal, Baniyas, Bahrain national team, Al-Wasl, Qatar SC and Persepolis F.C. He also managed La Liga side Real Betis. Playing career Calderón was born on 7 February 1960 in Rawson, Chubut Province. He began his football career in with Club El Porvenir B team in 1974 and was promoted to the original squad in 1976. He was promoted to the El Porvenir original team in 1976 and was transferred to the Racing Club de Avellaneda in the next year after good showing and played three seasons and a half season at Club Atlético Lanús as loan. Then, he played for Club Atlético Independiente for two seasons before moving to La Liga side, Real Betis. He played for Betis 131 times and scored 38 goals for them. In 1987, he moved to Ligue 1 Paris Saint-Germain and played for the club three seasons. He was one of the key players of PSG in his second season at the club. In 1990, he joined to FC Sion but returned to France to play for Stade Malherbe Caen in 1992. He moved back to Switzerland next year and finished his football career in FC Lausanne-Sport in 1994 at the age of 34. International career Calderón played for the Argentina Under-20 team and won the 1979 FIFA World Youth Championship. In 1981, he was invited to the national team by coach César Luis Menotti. He made his debut in a match against Brazil and scored his only international goal in a match against Denmark. He was part of the national team in 1982 FIFA World Cup held in Spain and in the 1990 FIFA World Cup in Italy and played along with Diego Maradona. He was key player of the national team