How to calculate a Baseball Mentor Rating

by Dex on Jan 25, 2009 5:11 PM PST

Paul DePodesta recently joked about Henry Blacno's Blanco's Mentor Rating. While just a joke, it's exactly the sort of thing that I find fascinating. Win Shares and OPS+ and what not is one thing. That's just requantifying numbers that are already out there. What I'm really into is quantifying...