Pawol's rise to make MLB history came 28 years after the NBA gender barrier for game officials was broken and 10 years after the NFL hired its first full-time female official. The men's soccer World Cup first hired a female referee three years ago. The NHL has not had any women as on-ice officials.

On Saturday, Jen Pawol has made history as the first female umpire to work a regular-season game in the major leagues.

Baseball umpire Jen Pawol made history Saturday in Atlanta as she became the first woman to umpire a Major League Baseball regular season game.