Casey is joined by Chris Mitchell, a Fangraphs writer who stops by to evaluate the MLB Trade Deadline. Chris is the creator of the KATOH prospect projection system, and he talks about the median expected value of the prospects traded at the deadline, and about some of the more interesting and peculiar trades made at and around the MLB Trade Deadline. http://traffic.libsyn.com/nasorb/21_KATOH_Trade_Deadline_Chris_Mitchell.mp3…