March 29, 2020

Just How Good is Mariano Rivera?

July 15, 2010 by · 1 Comment 

“Mariano Rivera is the best reliever in baseball history.”  If I were to make such a claim, there would surely be some fans who would agree with me and many who would not.  And, of course, all would want to know on what basis I made such a claim. Bill James’ Win Shares system is […]