Article Photos: Oklahoma City Thunder: Derek Fisher's strong play brings him from afterthought to necessity 7/48

Nelson Mathis, 8, of Oklahoma City has his jersey signed by Oklahoma City's Nick Collison as his brother William Mathis, 10, at right, watches before Game 6 in the first round of the NBA playoffs between the Oklahoma City Thunder and the Houston Rockets at the Toyota Center in Houston, Texas, Friday, May 3, 2013. Photo by Bryan Terry, The Oklahoman