Article Photos: Oklahoma City Thunder: OKC's improvement hinges largely on improvement of Kevin Durant, Russell Westbrook and Serge Ibaka 1/3

Thunder general manager Sam Presti speaks to the media during his preseason availability at the Integris Health Thunder Development Center, 9600 N. Oklahoma Ave., in Oklahoma City, Wednesday, Sept. 25, 2013. Photo by Nate Billings, The Oklahoman