Article Photos: Kendrick Perkins needs to be more physical

Crews prepare for the game before the start of the first round NBA playoff game between the Oklahoma City Thunder and the Denver Nuggets on Sunday, April 17, 2011, in Oklahoma City, Okla. Photo by Chris Landsberger, The Oklahoman

Crews prepare for the game before the start of the first round NBA playoff game between the Oklahoma City Thunder and the Denver Nuggets on Sunday, April 17, 2011, in Oklahoma City, Okla. Photo by Chris Landsberger, The Oklahoman