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The Bullpen Changed Since January

In January, I wrote about bullpen pitchers. Sometimes, when I thought about the bullpen, I stopped because changes were happening.

Now, I wonder how often do ‘new’ pitchers make appearances from the bullpen? In the first 45 games, the answer was 46%. That surprised me!

Details follow:

  • In January, I compared bullpen pitchers. Pitchers in the minors who escaped my attention, and pitchers who were not Diamondbacks (either in the Majors or the minors) are defined as ‘new.’
  • After January, four bullpen pitchers were acquired: two of them who were acquired on minors contracts (Shelby Miller and Juan Morillo) are now in the Majors.