Monaco - Argentine striker Guido Carrillo signed for Ligue 1 side Monaco on Friday the same day they loaned Colombian marksman Radamel Falcao to English champions Chelsea.
Carrillo, 24, signed a five-year contract with Monaco, who paid Argentine club Estudiantes $10million (8.9million euros) for his services.
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Carrillo, who scored 42 goals in 141 appearances for Estudiantes, looks set to fill the gap left by the departure of veteran Bulgarian striker Dimitar Berbatov, who was an integral member of the Monaco side that beat Arsenal on the way to the Champions League quarter-finals last season.
Carrillo is likely to be blooded early on in the Champions League as Monaco have to contest a play-off to see if they reach the group stages.
Falcao, who missed out on last year's World Cup finals as he failed to recover in time from a serious knee injury, had already been loaned out to Manchester United last season but failed to sparkle.