2003 Cougar Baseball Roster
| # | NAME | POS | YR | HT | WT | B/T | HOMETOWN | HIGH SCHOOL |
| 2 | Dan Matheney | IN | 3 | 6-0 | 175 | R/R | New Concord, OH | John Glenn |
| 3 | Jon Barchus | P | 3 | 6-1 | 170 | R/R | Crestline, OH | Mansfield Christian |
| 4 | Andy Dunn | P/OF | 1 | 6-1 | 165 | R/R | Hamilton, OH | Lakota West |
| 7 | Adam Rowe | P/OF | 3 | 6-1 | 185 | L/L | Wooster, OH | Wooster |
| 8 | Brent Zimmerman | OF | 2 | 6-0 | 185 | R/R | Lucas, OH | Lucas |
| 10 | Andrew Thompson | IN | 1 | 6-0 | 175 | R/R | Mount Vernon, OH | Mount Vernon |
| 11 | Shane Davis | OF | 1 | 5-11 | 190 | R/R | Mount Vernon, OH | Mount Vernon |
| 12 | Mark Caudill | OF | 1 | 5-11 | 180 | R/R | Washington Court House, OH | Washington Court House |
| 13 | Tim Martini | OF/IN | 2 | 5-8 | 150 | R/R | Galena, OH | Olentangy |
| 14 | Nate Rutkowski | OF | 2 | 5-11 | 180 | R/R | Davidson, NC | Mt. Greylock Regional |
| 15 | Kyle Peters | IN/P | 1 | 6-0 | 180 | R/R | Mason, OH | Mason |
| 17 | Derek Morey | P | 2 | 6-0 | 195 | R/R | Horseheads, NY | Horseheads |
| 18 | Jeff Derr | C | 1 | 6-2 | 195 | L/R | Mount Vernon, OH | Mount Vernon |
| 22 | Brian Barrish | P | 1 | 6-0 | 180 | R/R | Bedford, OH | Bedford |
| 24 | Justin Clarey | C | 3 | 6-2 | 185 | R/R | Columbus, OH | Hilliard Darby |
| 28 | Ty Dendinger | IN | 2 | 5-11 | 190 | R/R | Greenwich, OH | South Central |
| 31 | Michael Grove | C | 1 | 6-1 | 200 | R/R | Bucyrus, OH | Colonel Crawford |
| 36 | Josh Sichina | IN | 4 | 5-10 | 215 | R/R | Byesville, OH | Meadowbrook |
| 37 | Carl Langley | P/IN | 2 | 6-6 | 245 | R/R | New Holland, PA | Pequea Valley |
| 39 | Matt Byrdy | P | 1 | 6-7 | 200 | R/R | Mineral Ridge, OH | Youngstown Christian |
| 44 | Ryan Lucas | P | 3 | 6-0 | 225 | R/R | Tipp City, OH | Tippecanoe |
| Head Coach: | Keith Veale |
| Assistant Coach: | Dick Laslo |
| Assistant Coach: | Mike King |
| Assistant Coach: | Jeff Lavin |
| Assistant Coach: | Jason Hall |
| Student Assistant: | Tom Mingus |
| Athletic Director: | Scott Flemming |
| Sports Information Director: | Dave Parsons |
| Athletic Trainer: | Dean Taylor |
| 2002 Record: | 38-11 |