Greg Harris Autograph Authentication Services | Specializing in Greg Harris Autograph Authentication | Greg Harris Autograph, Autographs, Autographed, Signed, Authenticated, Authentic, Authenticity, Rackrs Authentication
| Team | Start | End |
|---|---|---|
| Boston Red Sox | 1989 | 1994 |
| Cincinnati Reds | 1982 | 1983 |
| Montreal Expos | 1984 | 1985 |
| New York Mets | 1981 | |
| New York Yankees | 1994 | |
| Philadelphia Phillies | 1988 | 1989 |
| San Diego Padres | 1984 | |
| Texas Rangers | 1985 | 1987 |
