Article Photos: OKC Thunder vs. Mavericks: This isn't the same Dallas team that beat OKC in 2011 16/66

Oklahoma City's Serge Ibaka (9) celebrates after a offensive foul on Dallas' Dirk Nowitzki (41) 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