Derek Fisher's playoff guts can only bring glory for Thunder - Article Photos 18/31

Oklahoma City's James Harden (13) and Nick Collison (4) defend Dallas' Dirk Nowitzki (41) 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