Article Photos: OKC Thunder: Kendrick Perkins and Dirk Nowitzki exchange 'pleasantries' 7/51

Lawson Lewis, 7, of Oklahoma City cheers in Thunder Alley before the Game 2 of the first round in the NBA playoffs between the Oklahoma City Thunder and the Dallas Mavericks at Chesapeake Energy Arena in Oklahoma City, Monday, April 30, 2012. Photo by Sarah Phipps, The Oklahoman