Wondering what the most volatile position in baseball is nowadays? Hands down, it's the performance of middle relievers from year to year.
It's not Bobby Cox or Tony La Russa or Joe Torre. You'd be hard-pressed to find a better manager in the game today than the Angels' Mike Scioscia.
When the game's best pitchers are on the mound, few hitters excel. But don't tell that to Ryan Braun, who's at his best when facing elite arms.