| Group A | P | W | D | L | GF | GA | GD | points |
|---|---|---|---|---|---|---|---|---|
 Manchester United | 6 | 5 | 0 | 1 | 12 | 3 | 9 | 15 |
 FC Basel | 6 | 4 | 0 | 2 | 11 | 5 | 6 | 12 |
 CSKA Moscow | 6 | 3 | 0 | 3 | 8 | 10 | -2 | 9 |
 Benfica | 6 | 0 | 0 | 6 | 1 | 14 | -13 | 0 |
Tuesday 5 December 2017 | |||||||
| Manchester United | 2 | - | 1 | CSKA Moscow | 18:45 | STATS» | |
| Benfica | 0 | - | 2 | FC Basel | 18:45 | STATS» | |
Wednesday 22 November 2017 | |||||||
| FC Basel | 1 | - | 0 | Manchester United | 18:45 | STATS» | |
| CSKA Moscow | 2 | - | 0 | Benfica | 16:00 | STATS» | |
Tuesday 31 October 2017 | |||||||
| Manchester United | 2 | - | 0 | Benfica | 18:45 | STATS» | |
| FC Basel | 1 | - | 2 | CSKA Moscow | 18:45 | STATS» | |
Wednesday 18 October 2017 | |||||||
| Benfica | 0 | - | 1 | Manchester United | 18:45 | STATS» | |
| CSKA Moscow | 0 | - | 2 | FC Basel | 18:45 | STATS» | |
Wednesday 27 September 2017 | |||||||
| CSKA Moscow | 1 | - | 4 | Manchester United | 18:45 | STATS» | |
| FC Basel | 5 | - | 0 | Benfica | 18:45 | STATS» | |
Tuesday 12 September 2017 | |||||||
| Manchester United | 3 | - | 0 | FC Basel | 18:45 | STATS» | |
| Benfica | 1 | - | 2 | CSKA Moscow | 18:45 | STATS» | |