Halilovic injured his ankle in the win over Athletic Club last week after a challenge from Raul Garcia and was carried off on a strecther. IN SPORT.ES efe Former Barcelona player Halilovic is currently on an 18-month loan with La Liga side Las Palmas from Hamburg. Croatian international Alen Halilovic will have to undergo surgery and will be out for at least two months, the player revealed on Sunday, with Las Palmas coach Pako Ayestaran confirming the news shortly after. 15/10/2017 CEST Halilovic, adiós al 2017 The first diagnosis spoke of a “trauma” injury and later a “strain of the ligament” according to an MRI scan that was described as “reassuring”, although it was pending “further tests”. Those further tests have finally confirmed the severity of the injury and the need for an operation. Upd. at 23:45 If the estimated duration of Halilovic’s time on the sidelines will be a minimum of two months, ruling him out of action until the New Year.