This day in sports: 'Basebrawl' for Yankees, Red Sox in 1976 - Los
Customs – SABR's Baseball Cards Research Committee
1956–1968 – SABR's Baseball Cards Research Committee
SI's 14 Back recounts the incredible 1978 Red Sox-Yankees season
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Best from MLB - Clips from 1970s
Red Sox-Yankees brawl, May 20, 1976: Bill Lee,Rick Burleson
1956–1968 – SABR's Baseball Cards Research Committee
Benches clear twice between Yankees, Red Sox
Yankees/Red Sox Brawl May 20, 1976
June 24, 1977: Reggie Jackson's single in the 11th inning leads Yankees over Red Sox – Society for American Baseball Research
Imagining a world where Bucky Dent didn't hit his famous homer - Sports Illustrated
August 29-30, 1967: Yankees, Red Sox play 40 innings in 24 hours – Society for American Baseball Research
Yankees–Red Sox rivalry - Wikipedia
June 21, 1967: Lonborg, Red Sox trade beanballs with Yankees – Society for American Baseball Research
Craziest baseball fights of all time
Yankees/Red Sox Brawl May 20, 1976