| Youth League | 18/09/13 | Chelsea FC [Youth] | - | FC Basel 1893 [Youth] | 4:0 |
| Youth League | 18/09/13 | Chelsea FC [Youth] | - | FC Basel 1893 [Youth] | 4:0 |
| Joël Patrice Keller | |
| Born: | 06.03.1995 |
| Place of birth: |
Endingen, 
Switzerland |
| Nationality: |
Switzerland
|
| Height: | 179 cm |
| Weight: | 84 kg |
| Position(s): | Left Back Centre Back |
| Foot: | left |