In a split-squad game between the Cubs and Diamondbacks at Mesa’s HoHoKam Park, Ria Cortesio becomes the first female ump to work a major league exhibition game since Pam Postema in 1989. The thirty year-old, who is starting her ninth year overall as an arbitrator and fifth in Double-A minor league ball, hopes to be the first woman umpire in major league history.

On November 29, 2007 — In a split-squad game between the Cubs and Diamondbacks at Mesa’s HoHoKam Park, Ria Cortesio becomes the first female ump to work a major league exhibition game since Pam Postema in 1989. The thirty year-old, who is starting her ninth year overall as an arbitrator and fifth in Double-A minor league ball, hopes to be the first woman umpire in major league history.

Sources:
National Pastime

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