| Friday, October 19th , 1888 | | 2B Bobby Utley retired from professional baseball. | | Monday, April 23rd , 1888 | | Signed free agent SP Pete McClendon to a 1-year contract worth a total of $420. | | Wednesday, March 7th , 1888 | | Signed Scouting Director Trigger Nissen to a 3-year, $65 per year contract. | |