the argentina forward sat out of his country 's friendlies against el salvador and ecuador over the international break but , after arriving back in barcelona on thursday .
messi had a light training session alongside compatriot javier mascherano as he recovers from foot injury .
the 27-year-old , who is the la liga top goalscorer with 32 goals , sustained the blow to his right foot in last month 's ` clasico ' win over real madrid .