Bianca Smith will serve as a minor league coach at the club’s player development facility in Fort Myers, Florida.
The move grants recognition to some of baseball’s pioneers from 1920 to 1948 and immediately rewrites the game’s record books.
Ng becomes the highest-ranking woman in baseball operations in the major leagues, and she is believed to be the first female GM for a men’s team in a major professional sport in North America, the Marlins said.
All three NBA playoff games scheduled for Wednesday have been postponed, with players around the league choosing to boycott in their strongest statement yet against racial injustice.
Pride nights will be a big draw in Major League Baseball this season, with 22 of the 30 teams hosting an event for their LGBT fans.