Yankees broke MLB unwritten rule during perfect game
For Tampa Bay Rays starter Drew Rasmussen, Chasing Perfect Game Against Baltimore Orioles 'Was Just Really Cool' - Sports Illustrated Tampa Bay Rays Scoop News, Analysis and More
It's a baseball gods thing': 20 years later, David Cone's perfect game remains a captivating viewing - The Athletic
Yankees' German pitches perfect game; 24th in MLB history
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Know the code: Baseball's unwritten rules
Inside Baseball's Desperate Effort to Save Itself From Irrelevance - The Atlantic
Umpires, not Jose Tabata ended Max Scherzer's perfect game - Sports Illustrated
Fernando Tatis Jr. in Trouble for Breaking Baseball's Unwritten Rules
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MLB - Baseball's confusing and contradictory unwritten rules - ESPN
Umpire costs the Yankees a run as he calls a pitch no where near the zone a strike with the bases loaded and 2 outs : r/baseball