I say JDS. Carwins stand up is no where near JDS and for some reason i think Carwin would bang with him. I also am suspect on Carwins ground game, u do not think it is as good as the hype and maybe that he feels comfortable striking now which would be a careless mistake against JDS. I have yet to see a takedown by Carwin but he has little to no head movement and am unsure on how he would shoot in. I think with what JDS has shown i will go ahead and JDS by 1st round knockout.