| Biographical details | |
|---|---|
| Born | c. 1952 Albany, New York, U.S. |
| Died | October 4, 2017 (aged 64–65) Allentown, New York, U.S. |
| Alma mater | Ithaca College (1975) |
| Playing career | |
| Football | |
| 1971–1974 | Ithaca |
| Track and field | |
| 1971–1974 | Ithaca |
| Position(s) | Linebacker (football) Javelin (track and field) |
| Coaching career (HC unless noted) | |
| Football | |
| 1975 | Whitman HS (NY) (assistant) |
| 1976 | Albany (GA) |
| 1977 | East Stroudsburg (GA) |
| 1978–1979 | RPI (DC) |
| 1980–1982 | Ithaca (DC) |
| 1983–1987 | Lafayette (LB) |
| 1988–1989 | Lafayette (DC/LB) |
| 1990–1991 | Buffalo (DC/LB) |
| 1992–1996 | Columbia (DC/LB) |
| 1997–2017 | Muhlenberg |
| Track and field | |
| 1977–1978 | RPI |
| 1979–1982 | Ithaca |
| Head coaching record | |
| Overall | 143–76 (football) |
| Tournaments | 2–5 (NCAA D-III playoffs) |
| Accomplishments and honors | |
| Championships | |
| 7 Centennial (2001–2004, 2007–2008, 2010) | |
Michael B. "Duke" Donnelly (c. 1952 – October 4, 2017)[1] was an American college football coach. He was the head coach for Muhlenberg College from 1997 until his death in 2017.[2][3] He also coached for Whitman High School,[4] Albany, East Stroudsburg,[4] RPI,[5] Ithaca, Lafayette, Buffalo,[6] and Columbia.[7] He played college football for Ithaca as a linebacker.[4][8]
Donnelly also coached track and field for Rensselaer Polytechnic Institute and Ithaca College.[9][10]
Donnelly died from Leukemia on October 4, 2017.[11][12][13][14][15]