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4/8/15 at Yankee Stadium
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All major league parks to have metal detectors by 2015 - SBNation
![Fans go through metal detectors at Yankee Stadium](https://i.cbc.ca/1.2554906.1491158785!/cpImage/httpImage/image.jpg_gen/derivatives/16x9_940/tigers-baseball.jpg)
Detroit Tigers install metal detectors at Comerica Park gates
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Metal detectors debut today at Blue Jays game as MLB tightens
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Section 216 at Yankee Stadium
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Stadiums still terror target 10 years after 9-11, but fans used to
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Head In Knots: August 2013
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Dawn Of New Security Era At Yankee Stadium - CBS New York
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A (jealous) A's fan visits Wrigley Field - Athletics Nation
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4/8/15 at Yankee Stadium