Harry writes about baseball - mostly PITCHf/x - for Beyond the Boxscore, The Hardball Times and his own blog, Cubs f/x.
@harrypav on twitter
Aaron Cook's speed plot - he left with shoulder problems, and his velocity evaporated on the way. h/t Rotoworld via www.brooksbaseball.net
Doug Fister and Junichi Tazawa make the jump from minors to bullpen to starting in a matter of days.