| Current position | |
|---|---|
| Title | Head coach |
| Team | Delaware |
| Conference | CAA |
| Record | 61–55 |
| Biographical details | |
| Born | DuBois, Pennsylvania |
| Playing career | |
| 1995–1998 | St. Bonaventure |
| Position(s) | Infielder |
| Coaching career (HC unless noted) | |
| 1999–2001 | Shippensburg (Asst) |
| 2002–2006 | Delaware (P/RC) |
| 2007–2009 | West Chester |
| 2010–2015 | Cincinnati (H/IF) |
| 2016–2022 | Florida Atlantic (H/IF/RC) |
| 2023–present | Delaware |
| Head coaching record | |
| Overall | 185–100 |
| Tournaments | NCAA D2 11–6 NCAA: 0–0 CAA:2–4 PSAC: 6–4 |
| Accomplishments and honors | |
| Championships | |
| PSAC Regular Season (2009) PSAC Conference Tournament (2009) | |
| Awards | |
| DII World Series (2009) PSAC COY (2009) Atlantic Region COY (2009) | |
Greg Mamula is a baseball coach and former infielder, who is the current head baseball coach of the Delaware Fightin' Blue Hens. He played college baseball at St. Bonaventure from 1995 to 1998.