Fulham have confirmed Bryan Ruiz will be out for 10 weeks after the forward sustained a broken metatarsal which has required an operation.
Manager Martin Jol had, after Monday night's 1-1 draw with West London rivals Chelsea, confirmed the Costa Rica international's season had been ended by the problem.
And Ruiz, who suffered the injury in Saturday's win at Bolton, is now facing almost three months of rehabilitation after surgery.
Fulham said in a statement: "Following an injury sustained against Bolton Wanderers on Saturday 7th April, the club can report that Bryan Ruiz sustained a fracture in the fifth metatarsal in his foot.
"A small operational procedure has taken place to repair the damage, and the sports science team advise a 10-week recovery period, prior to any form of training."
Speaking after the Chelsea game, Jol said of Ruiz: "He broke his foot so he will be out until June or July. It is a metatarsal issue."