 |
|  |
| Friday, May 18th , 1888 |
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| RP Bob Mathews did not elect for free agency and will remain in the Omaha organization. |
| Monday, April 23rd , 1888 |
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| Signed free agent C Jim Graf to a minor league contract with a major league option. |
| Saturday, April 21st , 1888 |
|---|
| Signed free agent C Paul Keller to a 1-year contract worth a total of $358. |
| Friday, April 20th , 1888 |
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| Signed free agent RP Larry Luckenbill to a minor league contract with a major league option. |
| Tuesday, April 3rd , 1888 |
|---|
| Signed free agent RF John Young to a 1-year contract worth a total of $400. |
| Monday, April 2nd , 1888 |
|---|
| Signed free agent C Ed Hartley to a 1-year contract worth a total of $312. |
| Signed free agent SP Arnold Jackson to a 1-year contract worth a total of $376. |
| Friday, March 30th , 1888 |
|---|
| Signed free agent SP Merritt Tolliver to a 1-year contract worth a total of $334. |
| Signed free agent RP Bob Mathews to a minor league contract with a major league option. |
| Sunday, March 25th , 1888 |
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| Signed free agent RP Jerry Morris to a minor league contract with a major league option. |
| Saturday, March 24th , 1888 |
|---|
| Signed free agent LF Joe Smythe to a 1-year contract worth a total of $362. |
| Monday, March 19th , 1888 |
|---|
| Signed Scouting Director Jon Swift to a 2-year, $28 per year contract. |
| Sunday, March 18th , 1888 |
|---|
| Signed free agent RP Johnny Miller to a minor league contract with a major league option. |
| Wednesday, March 14th , 1888 |
|---|
| Signed free agent C Stanley Jones to a minor league contract. |
