The Colorado Rockies are getting interest from other teams for some of their relief pitchers, but there's a catch.

Hall of Fame baseball writer Hal McCoy knows a thing or two about our nation’s pastime. Tap into that knowledge by sending an email to [email protected].

That means that pitchers who are good at preventing earned runs are also generally good at preventing unearned runs. Of the top 50 pitchers in career (normalized) ERA, 46 of them were better than ...

Therefore, to determine which player is the most skilled, we need to find statistics that better isolate a pitcher's performance. One such stat is Skills-Interactive Earned Run Average (SIERA).