 |
|  |
| Friday, May 18th , 1888 |
|---|
| RP Ulysses Mercer did not elect for free agency and will remain in the Rockford organization. |
| Tuesday, April 10th , 1888 |
|---|
| Signed free agent SP George Gunn to a minor league contract with a major league option. |
| Monday, April 2nd , 1888 |
|---|
| Signed free agent 2B Ned Shepherd to a 1-year contract worth a total of $388. |
| Thursday, March 29th , 1888 |
|---|
| Signed free agent C Bob Reed to a 1-year contract worth a total of $334. |
| Friday, March 23rd , 1888 |
|---|
| Signed free agent CF Greg Van Gordon to a minor league contract with a major league option. |
| Thursday, March 22nd , 1888 |
|---|
| Signed free agent RP Ossie Zimmer to a minor league contract with a major league option. |
| Wednesday, March 21st , 1888 |
|---|
| Signed Scouting Director Curt Thornton to a 2-year, $34 per year contract. |
| Sunday, March 18th , 1888 |
|---|
| Signed free agent 3B George Holloway to a 1-year contract worth a total of $328. |
| Signed free agent RP Dolf Liebert to a minor league contract with a major league option. |
| Saturday, March 17th , 1888 |
|---|
| Signed free agent C George Washington to a 1-year contract worth a total of $434. |
| Friday, March 16th , 1888 |
|---|
| Signed free agent SP Louis Corrigan to a minor league contract with a major league option. |
| Wednesday, March 14th , 1888 |
|---|
| Signed free agent RP John Hiatt to a minor league contract with a major league option. |
| Signed free agent C Roy Wilson to a minor league contract. |
| Tuesday, March 13th , 1888 |
|---|
| Signed free agent 3B Glen Oller to a 1-year contract worth a total of $230. |
| Monday, March 12th , 1888 |
|---|
| Signed free agent RP Dan Hennig to a 1-year contract worth a total of $232. |
| Signed free agent SP Ulysses Mercer to a minor league contract with a major league option. |
| Saturday, March 10th , 1888 |
|---|
| Signed free agent SP Ed Wilson to a minor league contract with a major league option. |
