| Full name | Chiaffredo Mastrella |
| Nation | Italy |
| Date of birth | 02/24/1890 |
| Place of birth | Turin - Italy |
| Date of death | 06/21/1939 |
| Place of death | Berlin - Germany |
| Role | Lateral Defender |
| First official match | CI1Cat: 03/01/1908 Pro Vercelli - Juventus 1 - 1 |
| First match overall | Amic: 12/08/1907 Pro Vercelli - Juventus 2 - 2 |
| Last official match | C1Cat: 05/28/1911 Juventus - Inter 0 - 2 |
| Last match overall | TPT: 04/07/1912 Juventus - La Chaux-de-Fonds (SVI) 2 - 5 |
| Overall Appearances | 39 |
| Overall Goals Scored | 0 |
