The Oklahoma State Cowboys have lost swingman Jean-Paul Olukemi for the remainder of the season with a knee injury.Cowboys coach Travis Ford says Olukemi suffered a torn anterior cruciate ligament in Saturday’s game against Virginia.Olukemi averaged 9.4 points and 4.8 rebounds this season. As a junior last season, he was named to the Big 12 all-rookie squad after averaging 11.1 points.“Everybody else is going to have to step up,” Ford said. “There’s no use sitting around feeling sorry for ourselves and making excuses. It is what it is. You move on and you deal with it and things like this happen. There are years like this.”