Retro Recap (1972): Oakland A's bench fuels walk-off win in Game 4 - Athletics Nation

Inside a Beanball War: How One Play Turned into Three Days of Royals, A's Rage, News, Scores, Highlights, Stats, and Rumors

20 Years Ago Today: Hatteberg's Walk-off Gives A's 20th Straight Win - Sactown Sports

A's Game Recaps - Athletics Nation

September 4, 2002: 'Moneyball' Oakland A's win 20th game in a row on Scott Hatteberg's walk-off homer – Society for American Baseball Research

1972 WS Gm4: A's win Game 4 on Mangual's walk-off hit

A's Game Recaps - Athletics Nation

1972 WS Gm4: Tenace hits a solo shot in Game 4

1972 10 19 World Series Game 4 Cincinnati Reds at Oakland A's

SABR Digital Library: Mustaches and Mayhem: 1972-74 Oakland A's – Society for American Baseball Research

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