Article Photos: Oklahoma City Thunder: Struggling Thunder does not beat Mavericks without Serge Ibaka 12/28

Dallas' Dirk Nowitzki (41) drives past Oklahoma City's Nick Collison (4) during an NBA basketball game between the Oklahoma City Thunder and the Dallas Mavericks at Chesapeake Energy Arena in Oklahoma City, Thursday, Dec. 27, 2012.  Oklahoma City won 111-105. Photo by Bryan Terry, The Oklahoman