Chelsea defender Gary Cahill had knee operation on 30 March
Chelsea centre-back Gary Cahill underwent surgery on a knee problem at the weekend.
Cahill, 27, has been absent since 17 March and missed England's matches against San Marino and Montenegro in March due to the injury.
Boss Rafael Benitez revealed Cahill had surgery on Saturday, 30 March.
"He had an operation. We did it very quickly on the Saturday of the Southampton game (March 30)," said the interim manager.
The Chelsea manager is hopeful that Cahill and fellow defender Ashley Cole, who has been struggling with a hamstring problem, are close to returning to action.
He added: "The feeling from both is really good."