Article Photos: Thunder: No. 1 seed in Western Conference is suddenly in doubt 1/1

Oklahoma City's James Harden (13) drives the ball against Memphis' Tony Allen (9) during the NBA basketball game between the Memphis Grizzlies and the Oklahoma City Thunder at Chesapeake Energy Arena in Oklahoma City, Monday, April 2, 2012. Memphis won 94-88. Photo by Nate Billings, The Oklahoman