Jason Turbow

Jason Turbow (@baseballcodes) is the author of “The Baseball Codes: Beanballs, Sign Stealing, and Bench-Clearing Brawls: The Unwritten Rules of America’s Pastime” (Pantheon, 2010). He is working on a book about the Oakland A’s dynasty of the early 1970s, to be released by Houghton Mifflin in March, 2016.