ScotlandA nivel de clubes, McKenna ha sido subcampeón de la Copa de Escocia con el Aberdeen en dos ocasiones (2017 y 2019). Con la selección de Escocia, formó parte del equipo que clasificó a la Eurocopa 2020, aunque no logró títulos internacionales.
Scott McKenna es un defensor central escocés que ha desarrollado la mayor parte de su carrera en el fútbol británico, destacando en el Aberdeen FC antes de dar el salto a la Premier League con el Nottingham Forest. Conocido por su solidez defensiva y liderazgo, ha sido internacional con la selección de Escocia, participando en competiciones importantes como la Eurocopa. Su trayectoria incluye también un breve paso por el FC Copenhague en la Superliga danesa.
McKenna es un defensor central fuerte y dominante en el juego aéreo, con buena capacidad para anticipar jugadas y realizar despejes decisivos. Su principal debilidad es la velocidad en espacios abiertos, lo que puede ser explotado por delanteros rápidos. Tácticamente, se desempeña mejor en sistemas defensivos que priorizan la solidez y el juego posicional, siendo un líder en la zaga.
| Season | Comp | Apps | G | A | YC | RC | Min |
|---|---|---|---|---|---|---|---|
| 25/26 | Hrvatski nogometni kup | 2 | 0 | 0 | 1 | 0 | 180 |
| 25/26 | SuperSport HNL | 30 | 2 | 3 | 3 | 0 | 2627 |
| 25/26 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 135 |
| 25/26 | UEFA Europa League | 10 | 0 | 0 | 0 | 0 | 909 |
| 24/25 | UEFA Nations League A | 3 | 0 | 0 | 0 | 0 | 225 |
| 24/25 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 112 |
| 24/25 | LaLiga | 29 | 0 | 0 | 5 | 1 | 2467 |
| 24/25 | Copa del Rey | 2 | 0 | 0 | 0 | 0 | 95 |
| 23/24 | Premier League | 5 | 0 | 0 | 0 | 0 | 417 |
| 23/24 | International Friendlies | 3 | 0 | 0 | 0 | 0 | 114 |
| 23/24 | FA Cup | 1 | 0 | 0 | 0 | 0 | 18 |
| 23/24 | Superliga Europa Playoff | 0 | 0 | 0 | 0 | 0 | 0 |
| 23/24 | Superliga Championship round | 8 | 0 | 0 | 0 | 0 | 620 |
| 23/24 | Superliga | 5 | 0 | 0 | 0 | 0 | 450 |
| 23/24 | UEFA Champions League | 2 | 0 | 0 | 0 | 0 | 180 |
| 23/24 | EFL Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 22/23 | UEFA Nations League B | 4 | 1 | 0 | 1 | 0 | 344 |
| 22/23 | Premier League | 20 | 0 | 0 | 4 | 0 | 1573 |
| 22/23 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 45 |
| 22/23 | FA Cup | 1 | 0 | 0 | 0 | 0 | 90 |
| 22/23 | European Qualifiers | 3 | 0 | 0 | 1 | 0 | 270 |
| 22/23 | EFL Cup | 3 | 0 | 0 | 0 | 0 | 209 |
| 21/22 | World Cup Qualification Playoffs | 0 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | Championship Play-Offs | 3 | 0 | 0 | 1 | 0 | 300 |
| 21/22 | Championship | 45 | 2 | 3 | 7 | 0 | 3989 |
| 21/22 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | FA Cup | 3 | 0 | 0 | 0 | 0 | 270 |
| 21/22 | EFL Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 2025 | World Cup Qualifiers (Europe) | 5 | 0 | 0 | 0 | 0 | 286 |
| 2025 | UEFA Nations League Play-off | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | UEFA Euro | 3 | 0 | 1 | 1 | 0 | 132 |
| 2021 | World Cup Qualifiers (Europe) | 3 | 0 | 0 | 0 | 0 | 67 |
| 2021 | UEFA Euro | 1 | 0 | 0 | 1 | 0 | 57 |
| 20/21 | UEFA Nations League B | 4 | 0 | 0 | 1 | 0 | 287 |
| 20/21 | Scottish Premiership | 4 | 0 | 0 | 0 | 0 | 315 |
| 20/21 | Championship | 24 | 1 | 1 | 3 | 0 | 2115 |
| 20/21 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 66 |
| 20/21 | FA Cup | 1 | 0 | 0 | 0 | 0 | 90 |
| 20/21 | UEFA Europa League Qualifying | 2 | 0 | 0 | 0 | 0 | 180 |
| 19/20 | Scottish FA Cup | 4 | 0 | 0 | 0 | 0 | 352 |
| 19/20 | Scottish League Cup | 1 | 0 | 0 | 0 | 0 | 120 |
| 19/20 | Scottish Premiership | 24 | 1 | 0 | 2 | 0 | 2097 |
| 19/20 | European Qualifiers Play-offs | 0 | 0 | 0 | 0 | 0 | 0 |
| 19/20 | UEFA Europa League Qualifying | 6 | 0 | 0 | 0 | 0 | 540 |
| 18/19 | UEFA Nations League C | 3 | 0 | 0 | 1 | 0 | 225 |
| 18/19 | Scottish FA Cup | 4 | 0 | 0 | 1 | 0 | 360 |
| 18/19 | Scottish Premiership Top Six Split | 5 | 1 | 0 | 2 | 0 | 450 |
| 18/19 | Scottish League Cup | 3 | 0 | 0 | 1 | 0 | 300 |
| 18/19 | Scottish Premiership | 25 | 1 | 1 | 1 | 1 | 2144 |
| 18/19 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 90 |
| 18/19 | European Qualifiers | 6 | 0 | 0 | 1 | 0 | 540 |
| 18/19 | UEFA Europa League Qualifying | 2 | 0 | 0 | 0 | 0 | 210 |
| 17/18 | UEFA European Under-21 Championship Qualifying | 5 | 0 | 0 | 2 | 0 | 450 |
| 17/18 | Scottish Challenge Cup | 1 | 0 | 0 | 0 | 0 | 90 |
| 17/18 | Scottish FA Cup | 4 | 0 | 0 | 1 | 0 | 390 |
| 17/18 | Scottish Premiership Top Six Split | 4 | 0 | 0 | 2 | 0 | 360 |
| 17/18 | Scottish League Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 17/18 | Scottish Premiership | 26 | 3 | 0 | 5 | 0 | 2316 |
| 17/18 | International Friendlies | 4 | 0 | 0 | 0 | 0 | 360 |
| 17/18 | UEFA Europa League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 16/17 | Scottish Challenge Cup | 1 | 0 | 0 | 1 | 0 | 90 |
| 16/17 | Scottish FA Cup | 2 | 0 | 0 | 0 | 1 | 135 |
| 16/17 | Scottish League Cup | 1 | 0 | 0 | 0 | 0 | 1 |
| 16/17 | Scottish Championship | 12 | 1 | 1 | 0 | 0 | 1080 |
| 16/17 | Scottish Premiership | 0 | 0 | 0 | 0 | 0 | 0 |
| 16/17 | UEFA Europa League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 15/16 | Scottish Championship | 4 | 0 | 0 | 1 | 0 | 360 |
| 15/16 | Scottish Premiership | 3 | 0 | 0 | 0 | 0 | 144 |
| 14/15 | UEFA EURO U19 Championship Qualifiers | 6 | 0 | 1 | 0 | 0 | 540 |
| 14/15 | Scottish FA Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | Scottish League Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | Scottish League One | 12 | 0 | 0 | 0 | 0 | 1060 |
| 14/15 | Scottish Premiership | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 180 |
| 13/14 | UEFA EURO U19 Championship Qualifiers | 4 | 0 | 0 | 0 | 0 | 360 |
| 13/14 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 90 |