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Fernando Tatis Jr.'s grand slam on 3-0 count angers Rangers and sparks talk over baseball's unwritten rules - CBSSports.com
![April 23, 1999: Fernando Tatis hits two grand slams in one inning – Society for American Baseball Research April 23, 1999: Fernando Tatis hits two grand slams in one inning – Society for American Baseball Research](http://dev.sabr.org/wp-content/uploads/2015/01/TatisFernando-Topps.jpg)
April 23, 1999: Fernando Tatis hits two grand slams in one inning – Society for American Baseball Research
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Grand Slam (Baseball Genius Series, Book 3): Tim Green, Derek Jeter: 9781508267058: Amazon.com: Books
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