Mario Santiago Barrera (born 11 January 2003 in San Juan, Argentina) is an Argentine footballer who plays as a forward for San Martín (SJ).
Career Raised in the youth sector of San Martín (SJ), in 2024 he was aggregated to the first team, playing in the Argentine second division; on 21 March 2024 he made his professional debut, in the league match drawn with a score of 0-0 against Talleres (RdE). During the season with 8 appearances he helped win a promotion to the first division, a category in which he then played a total of 6 games in 2025, during which he also scored a goal (moreover his first in his career among professionals) in the match lost with a score of 4-2 against Aldosivi.
Argentinian Primera B Nacional / Argentina
