![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://prestonjg.files.wordpress.com/2009/09/screenhunter_08-nov-25-15-34.gif)
Baseball, The J.G. Preston Experience
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://h2j7w4j4.stackpathcdn.com/wp-content/uploads/2022/09/AlouBrothers.jpg)
Society for American Baseball Research
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://sabr.org/wp-content/uploads/2012/10/Seaver-Tom-2184_71_HS_NBL.jpg)
Society for American Baseball Research
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://cdn.bleacherreport.net/images_root/slides/photos/000/784/660/83043738_original.jpg?1299921811)
New York Mets: The 10 Greatest Mets General Managers of All Time
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://baseballhall.org/sites/default/files/styles/header_image_1800_w/public/IMG-0021.jpg?itok=uGM1KFr9)
CardCorner: 1974 Topps Clay Carroll
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://p.calameoassets.com/220406072807-91a426672d1a19a95f6ef6b983e41eb2/p1.jpg)
Calaméo - 2022 Naturals Media Guide For Web
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://pittsburghbaseball.com/wp-content/uploads/2021/10/Morrison_exhibit-195x300.jpg)
Pittsburgh Baseball Network – Your one stop destination for
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://baseballhall.org/sites/default/files/Front%20of%20Wise%20card_0.jpg)
CardCorner: 1974 Topps Clay Carroll
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://sabr.org/wp-content/uploads/2022/09/Ehmke-Howard-BOS.jpg)
Society for American Baseball Research
![July 9, 1971: A's Angel Mangual ends AL's longest scoreless game](https://qph.cf2.quoracdn.net/main-qimg-bfa49610b9e5ba11a8ba00b327a72e19)
Did anyone on the Cincinnati Reds 1919 World Series team know that