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Jason Castro and JD Martinez


In yesterday's Chron Evan Drellich had a profile on Jason Castro. In the article Castro talked about an adjustment he had made to his swing path before the 2013 season and the much improved results he attributed to the change. It sounded to me as if it were very similar to the change noted by last winter's Fangraph article about a change in JD Martinez' swing. Does anybody know if we are talking about the same thing for both guys?