Yankees vs. Red Sox: A complete history of MLB's biggest rivalry in winner-take-all playoff games
Red Sox vs Yankees postseason history: Here's how it's played out - Sports Illustrated
MLB playoffs: Yankees, Red Sox renew October rivalry in ALDS
History of Yankees/Red Sox win-or-go-home games in the rivalry - Pinstripe Alley
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Yankees and Red Sox Will Meet in Wild-Card Game - The New York Times
The Yankees and Red Sox are proving that Major League Baseball needs to fix its playoffsnow, This is the Loop
Red Sox swept by Yankees in doubleheader, teams now even in Wild Card chase
Yankees vs. Astros: Upcoming Game Info & Rivalry History - Ticketmaster Blog
Yankees, Red Sox, Dodgers Are MLB's Most Valuable Teams –
Donaldson knocks grand slam in Yankees rivalry win over Red Sox, Strider strikes out 12 for Braves
October 5, 2021: Red Sox win AL Wild Card Game over rival Yankees – Society for American Baseball Research
Yankees-Red Sox elimination game history has so much drama
How the Red Sox Eliminated the Yankees, Inning by Inning - The New York Times
Red Sox advance to ALCS, beat Yankees in ALDS
New York Yankees vs Boston Red Sox MLB Rivalry