Ria Cortesio
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Ria Cortesio was one of few female umpires in professional baseball, working games at the Double A level. On March 29, 2007, she became the first woman since Pam Postema in 1989 to work a Major league exhibition game, serving alternately as the first and third base umpire in a spring training game between the Chicago Cubs and Arizona Diamondbacks. The 2007 season was her ninth and final professional season and fifth at the Double A level. She was released on by the minor leagues on October 31, 2007.
