[8][better source needed] Less than one month later on 24 July, he scored his first league goal in a 2–1 victory against Newell's Old Boys after converting a cross from Pol Fernández.

Boca were pegged back twice during the 90 minutes of regulation play and with the game at 2–2 on the night and on aggregate, it went to penalties.

During the return leg in Brazil, Barco famously stood on the ball with both feet whilst in possession, a move that at his young age in a Copa Libertadores semi-final, stunned the Palmeiras players, fans and South American critics alike.

It was a move that garnered many headlines, despite a counter attacking goal by Edinson Cavani and a red card being shown to Marcos Rojo.

Boca lost the final 2–1 after extra time, courtesy of goals by German Cano and John Kennedy.