However, any chance of a summer swoop for the Argentinian have been wiped out after he ruptured the anterior cruciate ligament in his right knee whilst on global duty with Argentina.
River Plate midfielder Perez has taken his spot in Jorge Sampaoli's 23-man squad, having made three appearances at the last World Cup - he started in the semi-final and the final.
His injury has been confirmed by the Argentine national team's official Twitter account.
Argentina coach Jorge Sampaoli has chosen Enzo Perez to replace Manuel Perez, who was injured in training on Friday and will miss the World Cup in Russian Federation this summer.
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Argentina will play their opening fixture against Iceland on June 16.
Argentina has yet to name his replacement.
A ruptured ACL is one of the worst injuries an athlete can have and Lanzini could miss the first few games for West Ham.
The West Ham United player has suffered a awful ACL injury and is out of the team.
Jorge Sampaoli chose to pick Lanzini ahead of Inter Milan forward Mauro Icardi, who scored 29 goals in Serie A last season.