West Ham United playmaker Manuel Lanzini was ruled out of the upcoming World Cup on Friday, when news broke that he has ruptured his anterior cruciate ligament while training with the Argentina squad ahead of the tournament.
This was confirmed by the Argentine Football Association on Saturday.
Perez, 32, who made his Argentina debut in 2009, was initially in the Albiceleste's 35-man provisional squad released by coach Jorge Sampaoli for the 2018 World Cup before he was dropped.
West Ham fans took to Twitter to express their disappointment at the news and with their superstar well in his recovery from a nasty injury.
Manuel Lanzini training with the Argentina National Team.
Argentina are in Group D at Russian Federation 2018, beginning their campaign against Iceland on June 16.
Inter Milan captain and striker Mauro Icardi is expected to be called up as Lanzini's replacement.
French Open 2018: Garbine Muguruza vs Simona Halep,
Muguruza's opponent Lesia Tsurenko lasted just two games before retiring hurt. "It was very nice to play like that", Halep said. Two-time major victor Kerber raced into a 4-0 lead in the first set before having to rely on a tiebreak to nudge her ahead.