Info
| Last name | Piazza |
| First name | Donato |
| Nationality |  Italy |
| Date of birth | 02-01-1930 |
| Place of birth | Villasanta di Monza |
| Passed away | 14-09-1997 |
| Age when passed away | 67 |
| Place of passing | Bologna |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| Giro d'Italia (2.HC) | |||||||
| 72 |  Standings | ||||||
| 05-06 | Stage 21San Pellegrino Terme - Milano (141.0km) | ||||||
| 27-05 | 4 | Stage 13Scanno - Ancona (251.0km) | |||||
| 25-05 | 2 | Stage 11Roma - Napoli (242.0km) | |||||
 Vuelta a España (2.HC) | |||||||
| 43 | Standings | ||||||
| 08-05 | Stage 15Bilbao - Bilbao (147.0km) | ||||||
| 07-05 | 1 | Stage 14Valladolid - Bilbao (308.0km) | |||||
| 04-05 | 1 | Stage 11Cuenca - Madrid (168.0km) | |||||
Teams
| Year | Team |
|---|---|
| 1958 | Molteni |
| 1957 | Bottecchia - Gripo |
| 1956 | Nivea - Fuchs - Clément |
| 1955 | Nivea - Fuchs - Clément |
| 1955 | Nivea - Fuchs - Clément |
| 1955 | Italia A |
Victories
| This year | 0 |
| Total | 3 |