| Southampton | Cardiff City |
|---|
| GK | Alex McCarthy | | GK | Neil Etheridge |
| DR | Ryan Bertrand | | DR | Lee Peltier |
| S3 | DR | Yan Valery | | DR | Joe Bennett |
| S1 | DR | Jannik Vestergaard | | DR | Callum Paterson |
| DR | Jack Stephens | | DR | Bruno Ecuele Manga |
| DR | Jan Bednarek | | DR | Sol Bamba |
| MD | Oriol Romeu | | MD | Harry Arter |
| MD | James Ward-Prowse | | MD | Joe Ralls |
| MD | Pierre-Emile Hojbjerg | S1 | MD | Aron Gunnarsson |
| AM | Nathan Redmond | S2 | MD | Bobby Reid |
| S2 | FD | Shane Long | S3 | WR | Oumar Niasse |
| Substitute | Substitute |
|---|
| S1 | FD | Charlie Austin | S1 | AM | Leandro Bacuna |
| S2 | WR | Mohamed Elyounoussi | S2 | FD | Kenneth Zohore |
| S3 | FD | Sam Gallagher | S3 | MD | Victor Camarasa |
| Manager | Manager |
|---|
| | Ralph Hasenhuttl | | | Neil Warnock |