 |
|  |
| Friday, October 19th , 1888 |
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| 2B Bobby Utley retired from professional baseball. |
| Thursday, June 21st , 1888 |
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| Signed free agent 1B Matt Randolph to a minor league contract with a major league option. |
| Monday, April 23rd , 1888 |
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| Signed free agent SP Pete McClendon to a 1-year contract worth a total of $420. |
| Saturday, March 17th , 1888 |
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| Signed free agent SP Matt Lindsley to a minor league contract. |
| Signed free agent SP Lloyd Pierce to a minor league contract. |
| Signed free agent LF Dan Irons to a minor league contract. |
| Friday, March 9th , 1888 |
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| Signed free agent CF Bobby Mullins to a minor league contract. |
| Wednesday, March 7th , 1888 |
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| Signed Scouting Director Trigger Nissen to a 3-year, $65 per year contract. |
