Charlton striker Svetoslav Todorov has been ruled out for the rest of the season with a knee injury.
Todorov has scored three goals for Charlton this season
He suffered a ruptured anterior cruciate ligament and also sustained a small fracture within the knee during Charlton's defeat to Plymouth.
The Bulgarian is due to undergo reconstructive surgery in three weeks' time. He damaged the cruciate in his other knee in 2003.
Todorov, 29, joined the Addicks from Portsmouth in the summer.
He has scored three goals for Alan Pardew's side this season.