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XE +/- in MACK

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  • XE +/- in MACK

    One of the pitching metrics in MACK is XE +/-. I'm not familiar with it and have not found it in the Glossary. Can you point me toward a definition?
    \"I do not know what I may appear to the world; but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.\"
    Isaac Newton (1642-1727)

  • #2
    It's the delta between ERA and xERA, looking at a likelihood of ERA trending up or down.

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    • #3
      Got it, thanks for the quick reply.
      \"I do not know what I may appear to the world; but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.\"
      Isaac Newton (1642-1727)

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