Sergio Aguero and Lionel Messi of Argentina during a training session (Getty Images)

BRASILIA, July 4: Striker Sergio Aguero gave Argentina a boost on the eve of their World Cup quarter-final against Belgium by training alongside his team-mates in Brasilia on Friday.

The Manchester City striker had been considered a serious doubt for Saturday’s game after a muscular problem ruled him out of his side’s 1-0 victory over Switzerland in the last 16.

However, he took part in the warm-up and also did some ball work at Brasilia’s Mane Garrincha National Stadium on Friday afternoon, in the part of the training session that was open to the media.

If Aguero is deemed fit, coach Alejandro Sabella must decide whether to draft him straight into his starting XI or keep faith with Ezequiel Lavezzi, who deputised against the Swiss.

Sabella already knows that he must do without left-back Marcos Rojo due to suspension. Jose Maria Basanta from Mexican side Monterrey is in line to step in.

Click here to see the FIFA World Cup 2014 Brazil Schedule

For FIFA World Cup 2014 news updates click here