| Champions League | Matches | W | D | L |  |
 |
 |
| home | 1 | 1 | - | - | - | - | - |
| away | 1 | 1 | - | - | - | - | - |
| overall | 2 | 2 | - | - | - | - | - |
| Champions League | Home | - | Guest | |
|
|
Results |
| 20/09/56 | FC Porto | - | Athletic Bilbao | - | - | - | 1:2 |
| 26/09/56 | Athletic Bilbao | - | FC Porto | - | - | - | 3:2 |
| Champions League | Matches | W | D | L | |
|
|
| home | 1 | 1 | - | - | - | - | - |
| away | 1 | 1 | - | - | - | - | - |
| overall | 2 | 2 | - | - | - | - | - |
| Champions League | Home | - | Guest | |
|
|
Results |
| 20/09/56 | FC Porto | - | Athletic Bilbao | - | - | - | 1:2 |
| 26/09/56 | Athletic Bilbao | - | FC Porto | - | - | - | 3:2 |
| Complete name: | Mario Maurelli |
| Born: | 21/04/1914 † |
| Place of birth: |
Sarnano, 
Italy |
| Residence: | Roma |
| Nationality: |
Italy |