Juan Ignacio Mercier
|Full name||Juan Ignacio Mercier|
|Date of birth||February 2, 1980|
|Place of birth||Campana, Argentina|
|Height||1.81 m (5 ft 11 in)|
|Playing position||Centre midfielder|
|San Martín Tucumán|
|2019–||San Martín Tucumán||0||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 30 April 2015|
Mercier started his playing career in the lower leagues of Argentine football in 2000. He played for four different clubs in the regionalised 3rd division, eventually helping Platense to win promotion to Primera B Nacional in 2006.
Mercier joined Argentinos Juniors in 2007, making top flight his debut on August 7, 2007 against San Martín de San Juan. He was an important member of the Argentinos Juniors team that won the Clausura 2010 championship. He played in 18 of the clubs 19 games during their championship winning campaign. Mercier scored the opening goal in Argentinos' 2-1 win against Huracán in the final game of the season that secured the championship. On 18 July 2011 he signed a two-year contract with the Saudi club.
Mercier made his international debut for the Argentina national team on 26 January 2010 in a 3-2 win in a friendly match against Costa Rica. His second appearance was in a 2-1 win against Jamaica on 10 February 2010.
- Primera B Metropolitana: 2005-06
- Argentinos Juniors
- San Lorenzo
- Juan Ignacio Mercier es el nuevo refuerzo de San Martín, lv12.com.ar, 2 July 2019