Barcelona expects Ousmane Dembele to be sidelined for six months, meaning a new signing could be imminent at Camp Nou.
Under LaLiga regulations, teams can look to the transfer market outside the window if it loses a player to injury for more than five months.
However, it can only sign individuals from the top two tiers in Spain, or those who are available as free agents.
With Luis Suarez also ruled out until May, we look at the options Barca could go for in order to bolster its attack.
Willian Jose (Real Sociedad)
The former Real Madrid striker was heavily linked with a move to Tottenham during the January transfer window but a move did not come to fruition. However, Barca reportedly only has a budget of €12million, which could prove to be insufficient to sign Willian Jose, who has fallen behind Alexander Isak in the pecking order at the Reale Arena.
Angel Rodriguez (Getafe)
A more realistic option appears to be Getafe's Rodriguez, who is believed to have €10m release clause. The 32-year-old has scored nine LaLiga goals for Jose Bordalas' Champions League-chasing side this season but has started just six top-flight matches.
After failing to make his mark in the Premier League at Arsenal and West Ham, at Deportivo Alaves Perez has rediscovered the sort of form that encouraged the Gunners to sign him from Deportivo La Coruna in 2016. He has scored nine LaLiga goals and laid on four more for Alaves this season and strike partner Joselu, formerly of Real Madrid, this week revealed he has urged Perez not to join Barca.
Head coach Quique Setien coached Moron for two seasons at Real Betis and he is the club's leading goal-scorer in LaLiga this season, finding the net eight times and supplying two assists. Betis president Angel Haro said at the weekend there has been no official contact from Barca, and Moron's release clause is understood to stand at €40m.
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