Oklahoma City Thunder forward Serge Ibaka will undergo a knee procedure to address some persistent soreness, sources told ESPN.com. It is not clear how long Ibaka will be sidelined following the surgery. Ibaka has missed the Thunder's past two games with what the team has called knee soreness. He will see a specialist for further evaluation, with the expectation for him to have a clean-out procedure in order to be ready for the postseason. Read more http://espn.go.com/nba/story/_/id/1...a-city-thunder-undergo-procedure-injured-knee