Article Photos: Thunder notebook: Doc Rivers regrets timing of Kendrick Perkins trade 15/78

Dressed in her graduation gown, Katherine Crawford, a graduate of Putnam City North High School, takes a free throw outside the OKC Arena before her commencement at the Cox Convention Center prior to game 7 of the NBA basketball Western Conference semifinals between the Memphis Grizzlies and the Oklahoma City Thunder at the OKC Arena in Oklahoma City, Sunday, May 15, 2011. Photo by John Clanton, The Oklahoman