Article Photos: OKC Thunder notebook: MRI confirms Kendrick Perkins has hip strain 28/31

Oklahoma City's James Harden (13) dunks the ball as Dallas' Ian Mahinmi (28), Jason Terry (31), and Dirk Nowitzki (41) watch 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