In the 2002 ML baseball draft, Matt McCarthy, a Yale lefty with a fastball that had occasional familiarity with 90+mph was drafted in the 26th round by the Anaheim Angels. He was urged by friends and relations to keep a journal of his experiences, and those journals form the basis of this 2009 story of his single season in the sun of professional baseball.
When the book came out, there was a bit of a firestorm. McCarthy got some of his names, dates, and possibly facts wrong enough that the New York Times highlighted them in two articles. (The links are at the bottom of this review.) It does sound to me that he got a few things wrong. It is even possible that his characterization of this player or that might cause those people some harm. I have no way of knowing the truthfulness of McCarthy