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Shane Carwin has been hitting the gym -- hard -- in advance of his UFC 131 bout against Jon Olav...
Shane Carwin has been hitting the gym -- hard -- in advance of his UFC 131 bout against Jon Olav Einemo on June 11. According to the big man's Twitter, he's currently walking around at a slimmed down 254-pounds. "The Engineer" hasn't weighed in for a UFC fight at a weight that low since his promotional debut back in May 2008.
