Yankees-Red Sox rivalry went from hatred to RE2PECT and back
The History of the Red Sox Yankees Rivalry – Chowdaheadz
Boston Red Sox - Wikipedia
Yankees - Red Sox Rivalry
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A history of Royals rivalries - Royals Review
Rangers-Astros: A look at the rivalry, why fans hate each other
Yankees vs Red Sox: The Biggest Rivalry in Baseball - LWOSports
Fans fill Fenway Park to witness historic moment of Derek Jeter's last game – New York Daily News
A look back at Yankees-Red Sox fights of years past - Sports Illustrated
Throwback: Top Ten Things I Hate About the Yankees
Red Sox lose second straight to rival Yankees to start season
It's a Red Sox-Yankee weekend . . . but, boy, how times have changed - Kevin McSports