Article Photos: OKC Thunder notebook: MRI confirms Kendrick Perkins has hip strain 15/31

Dallas' Dirk Nowitzki (41) goes to the basket beside Oklahoma City's Serge Ibaka (9) and Nazr Mohammed (8) during Game 4 of the first round in the NBA playoffs between the Oklahoma City Thunder and the Dallas Mavericks at American Airlines Center in Dallas, Saturday, May 5, 2012. Oklahoma City won 103-97.  Photo by Bryan Terry, The Oklahoman