Baseball Roster for 1991 Frederick Keys
| # | Player Name | Pos | Age | B | T | Ht | Wt | Born | Place | High Level | mlbYears |
| Manny Alexander | SS-2B | 20 | R | R | 5-10 | 180 | 3/20/1971 | San Pedro de Macoris,Dominican Republic | MLB | 1992-2006 |
| Jason Alstead | OF | 22 | L | R | 6-0 | 190 | 8/7/1968 | Paynesville,Minnesota | AAA | - |
| Matt Anderson | P | 20 | L | L | 6-3 | 180 | 6/3/1971 | Ventura,California | A+ | - |
| George Baker | C-3B | 0 | R | R | 5-11 | 188 | | - | A+ | - |
| Tony Beasley | SS-2B | 24 | R | R | 5-8 | 165 | 12/5/1966 | Bowling Green,Virginia | AAA | - |
| Randy Berlin | 1B-3B | 23 | R | R | 6-4 | 210 | 11/21/1967 | Silver Spring,Maryland | AA | - |
| Dan Berthel | OF | 0 | | | | 0 | | - | AA | - |
| Robert Blumberg | P | 0 | | | | 0 | | - | AA | - |
| Damon Buford | CF | 21 | R | R | 5-10 | 180 | 6/12/1970 | Baltimore,Maryland | MLB | 1993-2001 |
| Sergio Cairo | OF | 20 | R | R | 6-1 | 165 | 10/22/1970 | San Pedro de Macoris,Dominican Republic | AAA | - |
| Mark Carper | P | 22 | R | R | 6-2 | 200 | 9/29/1968 | Cheverly,Maryland | AAA | - |
| Andres Constant | | 0 | | | | 0 | | - | AA | - |
| Steve Culkar | P | 0 | | | | 0 | | - | AAA | - |
| Cesar Devarez | C | 21 | R | R | 5-10 | 175 | 9/22/1969 | San Francisco de Macoris,Dominican Republic | MLB | 1995-1996 |
| Doug Flowers | OF | 0 | | | | 0 | | - | A+ | - |
| Roy Gilbert | OF | 0 | | | | 0 | | - | AA | - |
| Shane Hale | P | 22 | R | L | 6-1 | 180 | 12/30/1968 | Hattiesburg,Mississippi | AA | - |
| Greg Hays | P | 22 | R | R | 6-1 | 195 | 9/11/1968 | Mound,Mississippi | A+ | - |
| Michael Hebb | P | 0 | | | | 0 | | - | A+ | - |
| Pat Hedge | OF | 24 | R | R | 6-0 | 190 | 12/10/1966 | - | A+ | - |
| Mike Hook | P | 22 | R | L | 6-0 | 195 | 8/29/1968 | Santee,California | AA | - |
| Ed Horowitz | C | 0 | | | | 0 | | - | AA | - |
| Zach Kerr | P | 0 | | | | 0 | | - | A+ | - |
| Keith Kessinger | SS | 24 | B | R | 6-2 | 185 | 2/19/1967 | Forrest City,Arkansas | MLB | 1993-1993 |
| Pat Leinen | P | 0 | | | | 0 | | - | AAA | - |
| T.R. Lewis | 3B | 20 | R | R | 6-0 | 180 | 4/17/1971 | Jacksonville,Florida | AAA | - |
| Brent Miller | 1B | 20 | L | R | 6-0 | 190 | 11/12/1970 | Columbus,Georgia | AAA | - |
| David Miller | P | 24 | R | R | 6-1 | 190 | 8/25/1966 | Woodbury,New Jersey | AAA | - |
| Daryl Moore | | 0 | | | | 0 | | - | AAA | - |
| John O'Donoghue | P | 22 | L | L | 6-6 | 198 | 5/26/1969 | Wilmington,Delaware | MLB | 1993-1993 |
| David Paveloff | P | 23 | R | R | 6-2 | 190 | 12/6/1967 | Palm Desert,California | AA | - |
| Brad Pennington | P | 22 | L | L | 6-5 | 215 | 4/14/1969 | Salem,Indiana | MLB | 1993-1998 |
| Allen Plaster | P | 20 | R | R | 6-3 | 210 | 8/13/1970 | Kernersville,North Carolina | AA | - |
| Doug Reynolds | C | 0 | R | R | 6-2 | 205 | | - | A+ | - |
| Chuck Ricci | P | 22 | R | R | 6-2 | 180 | 11/20/1968 | Abington,Pennsylvania | MLB | 1995-1995 |
| David Riddle | P | 0 | | | | 0 | | - | A+ | - |
| Billy Ripken | 2B | 26 | R | R | 6-1 | 190 | 12/16/1964 | Havre de Grace,Maryland | MLB | 1987-1998 |
| Erik Schullstrom | P | 22 | R | R | 6-5 | 220 | 3/25/1969 | San Diego,California | MLB | 1994-1995 |
| Mark Smith | LF-RF | 21 | R | R | 6-3 | 235 | 5/7/1970 | Pasadena,California | MLB | 1994-2003 |
| Scott Sprick | SS | 22 | L | R | 6-5 | 195 | 6/14/1969 | Holland,Michigan | A+ | - |
| Troy Tallman | C | 21 | R | R | 6-0 | 195 | 3/17/1970 | Napa,California | AA | - |
| Brad Tyler | OF | 22 | L | R | 6-3 | 190 | 3/3/1969 | Aurora,Indiana | AAA | - |
| Jim Wawruck | OF | 21 | L | L | 5-11 | 185 | 4/23/1970 | Glastonbury,Connecticut | AAA | - |
| Mel Wearing | DH | 24 | R | R | 6-3 | 230 | 4/19/1967 | New Haven,Connecticut | AAA | - |
| Jeff Williams | P | 22 | R | R | 6-4 | 230 | 4/16/1969 | Salina,Kansas | AAA | - |
| Steve Williams | P | 0 | | | | 0 | | - | A+ | - |
| Kip Yaughn | P | 21 | R | R | 6-1 | 180 | 7/20/1969 | Walnut Creek,California | AAA | - |
Team Personnel
