Colombia heaped misery on Lionel Messi and Argentina with a 2-0 victory in their Copa America opener on Saturday.
Runners-up in 2015 and 2016, Messi's Argentina were looking to banish their past demons in pursuit of a first major international title since 1993.
However, Argentina were upstaged by Colombia, who made a winning start in Group B thanks to Roger Martinez's 71st-minute stunner and Duvan Zapata's late sealer.
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As Argentina pressed and probed, first-half substitute Martinez sent a thunderous strike past Franco Armani in Salvador and Zapata made sure of the win during the closing stages.