Article Photos: Thunder vs. Mavericks: A look at Dallas' major roster changes 27/66

Oklahoma City's Serge Ibaka (9) defends against Dallas' Shawn Marion (0) during game one of the first round in the NBA playoffs between the Oklahoma City Thunder and the Dallas Mavericks at Chesapeake Energy Arena in Oklahoma City, Saturday, April 28, 2012. Photo by Sarah Phipps, The Oklahoman