Boston Red Sox vs. New York Yankees: A colorful history of winner-take-all showdowns – Hartford Courant
Red Sox 3-5 Yankees (Aug 17, 2021) Game Recap - ESPN
MLB roundup: Red Sox hand Yanks 8th straight loss
After scuffling most of the night, Red Sox tie it in ninth inning, finish walkoff win over Yankees in 10th - The Boston Globe
Yankees and Red Sox Will Meet in Wild-Card Game - The New York Times
Yankees to play Red Sox if crazy AL wild-card scenario occurs
Yankees' Season Ends After 6-2 Loss to Red Sox in Wild Card Game – NBC New York
Red Sox had perfect execution in sending Yankees packing in AL Wild Card Game - The Boston Globe
History of Yankees/Red Sox win-or-go-home games in the rivalry - Pinstripe Alley
Boston Red Sox vs. New York Yankees: A colorful history of winner-take-all showdowns – Hartford Courant
Yankees-Red Sox peaked in 2004. Can AL wild-card game jolt rivalry?