The Windup Newsletter ⚾ | This is The Athletic’s MLB newsletter. Sign up here to receive The Windup directly in your inbox. It only took 149 years, but Major League Baseball will finally have its first female umpire this weekend. Plus: the Red Sox continue their parade of extensions, Andrew Vaughn is a new man in Milwaukee and we ask: Who has the best bullpen in baseball? I’m Levi Weaver, and Ken Rosenthal is off this week — welcome to The Windup!

In March of 1988, the Sports Illustrated cover hit mailboxes across the country, with the words in bold across the cover: “The Lady is...

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