Jon Duplantier
#45 · Pitcher · Syracuse Mets
- Nationality
- United States
- Born
- 1994-07-11
- Birthplace
- Newark, Delaware
- Height
- 6
- Weight
- 229
Jon Christopher Duplantier (born July 11, 1994) is an American professional baseball pitcher in the New York Mets organization. The Arizona Diamondbacks selected Duplantier in the third round of the 2016 Major League Baseball draft. He made his MLB debut in 2019 with the Diamondbacks.