Article Photos: Dirk Nowitzki scores 48 points as Mavericks defeat Thunder 31/39

Oklahoma City's Kendrick Perkins (5) tries to defend Dirk Nowitzki (41) of Dallas during game 1 of the Western Conference Finals in the NBA basketball playoffs between the Dallas Mavericks and the Oklahoma City Thunder at American Airlines Center in Dallas, Tuesday, May 17, 2011. Photo by Bryan Terry, The Oklahoman