Roger Martinez opened the scoring with an unstoppable drive in the 72nd minute before substitute Duvan Zapata finished off a good team move with four minutes of the game remaining.
"We have to take some positives, lift our heads up and continue".
On paper at least, this promised a thrilling attacking spectacle between two star-studded forward lines.
Argentina and Colombia promise fireworks in a game featuring incredible individual talents and two teams who looked really good in their warm-up friendlies. "Tomorrow's match will be very important for us". This could've been a lot better for a first game, for these kinds of players.
Falcao robbed Otamendi and tried to tee up James but Guido Rodriguez got back to nick the ball off the talented playmaker's toes.
Lionel Messi has downplayed Argentina's chances of winning the Copa America in Brazil.
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De Kock said the team would not change their approach apart from being mentally stronger heading into the contest. Hello and welcome to Edgbaston for the first time in this tournament.
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Argentina had dominated the second half until Martinez - who entered the game as a first half replacement for Luis Muriel - fired a stunning strike to Franco Armani's net in the 71st minute.
At the 2014 World Cup they lost in extra time to Germany in the final and then lost on penalties to Chile in the Copa America final, in both 2015 and 2016. - Colombia won 2-0.
It's certainly not for want of trying for Messi when it comes to worldwide honours.
Argentina had their tails up and Paredes thrashed in a shot from an angle that Ospina did well to punch clear.
But in this case, Argentina are now just Messi and 10 others.
And Messi admits he and his fellow countryman need to learn from, and accept, their reverse to Colombia.
They take on Paraguay on Wednesday in Belo Horizonte before facing 2022 World Cup hosts Qatar in Porto Alegre to conclude the group stage.
"When we were playing at our best, they scored a great goal and it cost us".