Jen Pawol was the first female umpire in MLB regular-season history, making her debut on August 9, 2025.

Quick Scoop

  • Pawol worked her first MLB game as the first-base umpire in the Marlins-Braves matchup.
  • MLB and major outlets identified her as the first woman to umpire a regular-season Major League Baseball game.
  • She later also became the first female home-plate umpire in a regular-season MLB game.

Why it matters

Her debut was a milestone for baseball because it marked the first time a woman had officiated a regular-season MLB game.

Pawol had already broken barriers in the minors and spring training before reaching the majors.

TL;DR: Jen Pawol.