| Date | Player | Milestones | |
| 08/01/1887 | Alonzo Fitzsimmons | 1000 Strikeouts, while playing for Indianapolis | |
| 09/16/1887 | Fred Cathey | 1000 Strikeouts, while playing for Indianapolis | |
| 08/16/1889 | Lew Stiggers | 1000 Strikeouts, while playing for Toledo | |
| 08/25/1889 | Lew Stiggers | 100 Wins, while playing for Toledo | |
| 09/27/1889 | Ludwig Braun | 500 Runs Scored, while playing for Toledo | |
| 06/09/1890 | Jim Marchand | 1000 Strikeouts, while playing for Fort Wayne | |
| 06/22/1890 | George Bauer | 1000 Strikeouts, while playing for Milwaukee | |
| 07/28/1890 | Ben OLeary | 1000 Strikeouts, while playing for Indianapolis | |
| 08/31/1890 | Hank Wolff | 1000 Strikeouts, while playing for Toledo | |
| 09/09/1890 | Al Marshall | 1000 Strikeouts, while playing for Fort Wayne | |
| 09/17/1890 | Lew Stiggers | 1500 Strikeouts, while playing for Toledo | |
