Researching elite starters has taught me a number of things about pitcher development. One of the most valuable has been the reminder that progress is never linear.Blake Snell and Justin Verlander present recent examples of that. Verlander has been in obvious decline on two occasions now, and both times hes bounced back. 2016 Blake Snell displayed impressive talent but limited control. He was then relegated to AAA for portions of 2017, lost strikeouts, and saw his ERA increase, but we all know w[...]