I think you sign a couple of cheap, athletic bigs like Thomas Robinson and Bismark Biyombo, then resign Crowder. Cut Pressey and Babb loose. Let Thornton go overseas.
Thomas Smart Rozier
Bradley Turner Hunter
Crowder Young Wallace
Sullinger Olynyk Robinson
Zeller Biyombo Mickey
Start out not playing the 3 rookies, and of course Wallace. Showcase Bradley and Sullinger.
At the deadline, put together Bradley, Sullinger, Wallace, with a couple of 1st round draft picks and try to get a really good SF. Who knows, if the price is right, maybe the Mavs or Jazz would listen.