As the Thunder anxiously await Kevin Durant's return, they've lost another significant piece to their starting lineup at a critical time.Serge Ibakawill mi s the next four to six weeks after he underwent arthroscopic surgery Tuesday on his Jackie Robinson Jersey right knee, .MORE: | | "Serge is a guy that always wants to be out on the floor, rarely mi Adam Duval Jersey ses time," Presti said per, "but we felt like with where the symptoms were, we didn't think it was going to be improving, and because of that this was the nece sary step."The power forwardand defensive specialist has mi sed Oklahoma City's past threegames because of persistent sorene s in hisknee.The Thunder have combated Eddie Mathews Jersey injury i sues all season. Durant has mi sed 40games overtwo separate stints and Ru sell Westbrook mi sed 15.Durantis still recovering from a foot procedure andhas not played since Feb. 21. His , however.The Thunder are37-30, a halfgame better than thePelicans for theeighth seed in the Western Conferenceplayoff race. With the end of the season four weeks away, it is unlikely Ibaka will return in time to help the team clinch a postseason berth."Obviously, a setback in terms of timing for us," Presti said. "It would've been ideal if this was something we could Bob Uecker Jersey 've attended to over the summer. But the long term health of the player and the ability to play at a high level during the season is the most important thing. David Justice Jersey "Ibaka, 25, is averaging 14.3 points, 7.8 rebounds and 2.4 blocks in 64 games this season.CoachScott Brooks hasusedSteven Adams,Enes Kanter androokie MitchMcGaryin hisabsence.