Edgardo Bauza side Argentina edged past Chile 1-0 for a crucial three points in World Cup qualifying as Lionel Messi netted the game's only goal.
A Lionel Messi penalty saw Argentina to a vital 1-0 victory over Chile in World Cup qualifying on Thursday.
The 29 years old striker struck from the penalty spot in the 16th minute at the Estadio Monumental Antonio Vespucio Liberti in Buenos Aires (Argentina).
The Barcelona star sent Chile goalkeeper Claudio Bravo the wrong way with his spot-kick after Jose Fuenzalida had brought down midfielder Angel Di Maria in the area.
Juan Antonio Pizzi side Chile had earlier had a goal correctly ruled out for offside before defender Nicolas Otamendi should have doubled Argentina's lead late in the first half.
Arsenal striker Alexis Sanchez almost secured a point for Chile just after the hour-mark, only to watch his free-kick smash against the crossbar.