Last week, Rany Jazayerli, blogger and baseball propeller-head of note, went after longtime Royals trainer Nick Swartz, stopping just shy of ripping out the man's heart and waving it at the sun. The team didn't take this so well. Jazayerli, who describes himself as a "dermatologist by day, baseball writer by night, pathetic Royals fan all the time," is no mere fan blogger. He's a co-founder of Baseball Prospectus, and he's done admirable work on the study of pitcher ...