In Game 3 of the World Series, Kansas City Royals infielder Raul Mondesi pinch-hit for pitcher Danny Duffy in the fifth inning.
While that looks pretty unassuming in the box score, the 20-year-old Mondesi was making his MLB debut -- in the World Series.
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Not surprisingly, he became the first player to accomplish the feat:
Mondesi, of course, is the son of the 13-year major-league veteran Raul Mondesi.
This is only the third game for which Mondesi has been active -- he was added to the World Series roster despite not appearing on the roster for the regular season, NLDS or NLCS.
The switch hitter received a warm welcome to the big leagues with a 97-mph fastball from Noah Syndergaard before striking out on a 1-2 fastball.
Regardless of the result, Mondesi is the first and only player to say he made his MLB debut in the Fall Classic.