| John Duffie | |
| Position: | Pitcher |
| Birth Date: | 4 October 1945 |
| Birth Place: | Greenwood, South Carolina, U.S. |
| Death Place: | Douglas, Georgia, U.S. |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | September 18 |
| Debutyear: | 1967 |
| Debutteam: | Los Angeles Dodgers |
| Finalleague: | MLB |
| Finaldate: | September 24 |
| Finalyear: | 1967 |
| Finalteam: | Los Angeles Dodgers |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–2 |
| Stat2label: | Earned run average |
| Stat2value: | 2.79 |
| Stat3label: | Strikeouts |
| Stat3value: | 6 |
| Teams: | |
John Brown Duffie (October 4, 1945 – April 19, 2018) was an American pitcher in Major League Baseball. He was the starting pitcher in two games for the Los Angeles Dodgers during the 1967 MLB season.[1] Duffie died on April 19, 2018, at the age of 72 at Coffee Regional Medical Center following a brief illness.[2] [3]