Former MLB pitcher Daisuke Matsuzaka suffered an arm injury at a spring training fan event in Okinawa, Japan.
According to the Associated Press (h/t ESPN.com), an "overzealous admirer" yanked on Matsuzaka's throwing arm, causing inflammation.
Matsuzaka is a member of the Nippon Professional Baseball league's Chunichi Dragons after playing for the Boston Red Sox and New York Mets in the majors from 2007 through 2014.
This article will be updated to provide more information on this story as it becomes available.
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