Article Photos: OKC THUNDER: Closing the door has been the key 13/21

Oklahoma City's Kendrick Perkins (5) tries to work around the defense of Dallas' Yi Jianlian (9) as Shawn Marion (0) looks on during the NBA basketball game between the Oklahoma City Thunder and the Dallas Mavericks at Chesapeake Energy Arena in Oklahoma City, Monday, March 5, 2012. Photo by Nate Billings, The Oklahoman