Guest: Harry Pavlidis, Baseball Prospectus Welcome to season four of the South Side Sox Podcast! We start the year setting expectations for 2017 after what we learned from SoxFest. How new manager Rick Renteria has made a terrific first impression and Rick Hahn still has some work to do. Our first guest of 2017 is Harry Pavlidis from Baseball Prospectus. He shares two new pitching metrics that will help understand a pitcher's ability to control and command their pitches.