| Reid Cornelius | |
| Position: | Pitcher / Coach |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 2 June 1970 |
| Birth Place: | Thomasville, Alabama, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 29 |
| Debutyear: | 1995 |
| Debutteam: | Montreal Expos |
| Finalleague: | MLB |
| Finaldate: | September 30 |
| Finalyear: | 2000 |
| Finalteam: | Florida Marlins |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 8–17 |
| Stat2label: | Earned run average |
| Stat2value: | 4.91 |
| Stat3label: | Strikeouts |
| Stat3value: | 101 |
| Teams: |
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Jonathan Reid Cornelius (born June 2, 1970) is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the Montreal Expos, New York Mets, and Florida Marlins.
Cornelius was born in Thomasville, Alabama to Ted, a school principal, and Ila Cornelius, a teacher's aide. His older brother, Pat, played college baseball at Auburn. He maintained a 97.6 grade average at Thomasville High School. He planned to play college baseball at Mississippi State but chose instead to begin a professional career after being taken in the eleventh round of the 1988 Major League Baseball draft by the Montreal Expos and receiving a signing bonus of $225,000 .[1] According to his father, it was the largest contract ever given to a high school draftee.[2] He began his professional career with the Rockford Expos of the Midwest League.[3]
Cornelius was the Miami Marlins' bullpen coach from 2010 to 2016. He was named the pitching coach for the Atlanta Braves' Triple–A affiliate, the Gwinnett Braves, prior to the 2017 season.[4]
Cornelius was named as the pitching coach for the Jupiter Hammerheads of the Miami Marlins organization for the 2019 season.
Cornelius was named the bullpen coach for the Colorado Rockies on December 13, 2021.[5] On October 8, 2024, Cornelius and the Rockies parted ways.[6]