​Believe it or not, most of our writers didn't enter the world sporting an @baseballprospectus.com address; with a few exceptions, they started out somewhere else. In an effort to up your reading pleasure while tipping our caps to some of the most illuminating work being done elsewhere on the internet, we'll be yielding the stage once a week to the best and brightest baseball writers, researchers and thinkers from outside of the BP umbrella. If you'd like to nominate a guest contributor (including yourself), please drop us a line.

​Dash Treyhorn watched his first Phillies game at two days old, and he led his Wiffle Ball league in OPS+ in 1996. He blogs about the Phillies for NBC Philadelphia.
 

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