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John Helyar (born 1951)  is an American former journalist who has worked for The Wall Street Journal, Fortune magazine, ESPN.com, ESPN The Magazine and Bloomberg News. He currently works as a research analyst at Select Equity Group.
|Born||May 14, 1951|
|Alma mater||University of Missouri|
|Notable works||Lords of the Realm: The Real History of Baseball, Barbarians at the Gate|
Helyar is the author of the books Lords of the Realm: The Real History of Baseball (which, according to WorldCat, is held in 688 libraries ) and co-author with Bryan Burrough of Barbarians at the Gate: The Fall of RJR Nabisco (held in 2249 libraries ).