SPB In Season Free Agency -- SPB-1939
Regular season
| Transactions |
| Seq | Date | Team | Player | Type |
| 0 | 4/21/1939 | WBS | Hughes | Released |
| 0 | 4/21/1939 | WBS | Lefebvre | Signed |
| 0 | 4/21/1939 | WBS | Scharein | Released |
| 0 | 4/21/1939 | WBS | Wittig | Signed |
| 0 | 5/22/1939 | BBB | Gryska | Signed |
| 0 | 5/22/1939 | BBB | Scalzi | Released |
| 0 | 6/15/1939 | BBB | Berger,B | Signed |
| 0 | 6/15/1939 | BBB | Leip | Released |
| 0 | 6/21/1939 | GAS | Barkley | Released |
| 0 | 6/21/1939 | GAS | DeShong | Signed |
| 0 | 7/1/1939 | DET | Bruner | Signed |
| 0 | 7/1/1939 | NYM | Jacobs | Released |
| 0 | 7/8/1939 | DET | Doyle | Released |
| 0 | 7/8/1939 | DET | West,D | Signed |
| 0 | 7/19/1939 | LVC | Galatzer | Released |
| 0 | 7/19/1939 | LVC | Galatzer | Signed |
| 0 | 7/19/1939 | LVC | McNamara | Signed |
| 0 | 7/19/1939 | LVC | Poffenberger | Released |
| 0 | 7/22/1939 | BBB | Cox | Released |
| 0 | 7/22/1939 | BBB | Henry | Signed |
| 0 | 7/22/1939 | BBB | Thuman | Signed |
| 0 | 7/22/1939 | BBB | Walkup | Released |
| 0 | 7/26/1939 | BBB | Berger,B | Released |
| 0 | 7/26/1939 | BBB | Hughes | Released |
| 0 | 7/26/1939 | BBB | Hughes | Signed |
| 0 | 7/26/1939 | BBB | Scharein | Signed |
| 0 | 7/26/1939 | BBB | Schultz | Signed |
| 0 | 8/1/1939 | BBB | Scharein | Released |
| 0 | 8/15/1939 | MGB | Clemens | Signed |
| 0 | 8/15/1939 | MGB | Van Atta | Released |
| 0 | 8/20/1939 | BBB | Gedeon | Signed |
| 0 | 8/20/1939 | BBB | Schultz | Released |
| 0 | 9/6/1939 | DET | Collins | Signed |
| 0 | 9/6/1939 | DET | Hughes | Signed |
| 0 | 9/6/1939 | DET | Juelich | Released |
| 0 | 9/6/1939 | DET | West,D | Released |
| 0 | 9/13/1939 | FFA | Huber | Signed |
| 0 | 9/13/1939 | FFA | Page,V | Released |
| 0 | 9/13/1939 | SDG | Garbark | Signed |
| 0 | 9/13/1939 | SDG | Hanning | Released |
| 0 | 9/13/1939 | SDG | Johnson,F | Released |
| 0 | 9/13/1939 | SDG | Sewell,L | Signed |
| 0 | 9/13/1939 | SFS | Letchas | Released |
| 0 | 9/13/1939 | SFS | Watwood | Signed |