AustriaMit LASK Linz gewann Schlager die österreichische Bundesliga in der Saison 2020/21. Zudem wurde er mehrfach in die österreichische Nationalmannschaft berufen und nahm an der UEFA Europa League teil.
Alexander Schlager ist ein österreichischer Torhüter, der seine Karriere bei der SV Ried begann und später zu LASK Linz wechselte. Er etablierte sich als Stammtorwart in der österreichischen Bundesliga und feierte mit LASK den Gewinn der Meisterschaft in der Saison 2020/21. Schlager wurde auch in die österreichische Nationalmannschaft berufen, wo er als zuverlässiger Rückhalt gilt.
Schlager ist ein moderner Torhüter mit starken Reflexen und einer guten Strafraumbeherrschung. Er zeichnet sich durch sein sicheres Stellungsspiel und seine Fähigkeit aus, Eins-gegen-Eins-Situationen zu entschärfen. Seine Schwäche liegt gelegentlich in der Ballverarbeitung unter Druck, was zu riskanten Situationen führen kann.
| Season | Comp | Apps | G | A | YC | RC | Min |
|---|---|---|---|---|---|---|---|
| 25/26 | ÖFB-Cup | 5 | 0 | 0 | 1 | 0 | 480 |
| 25/26 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 135 |
| 25/26 | UEFA Europa League | 7 | 0 | 0 | 0 | 0 | 630 |
| 25/26 | UEFA Champions League Qualifying | 4 | 0 | 0 | 0 | 0 | 360 |
| 25/26 | Bundesliga | 31 | 0 | 0 | 4 | 0 | 2790 |
| 24/25 | UEFA Nations League B | 2 | 0 | 0 | 0 | 0 | 180 |
| 24/25 | ÖFB-Cup | 2 | 0 | 0 | 0 | 0 | 210 |
| 24/25 | UEFA Champions League Qualifying | 0 | 0 | 0 | 0 | 0 | 0 |
| 24/25 | UEFA Champions League | 4 | 0 | 1 | 0 | 1 | 336 |
| 24/25 | Bundesliga | 21 | 0 | 0 | 3 | 0 | 1890 |
| 23/24 | ÖFB-Cup | 5 | 0 | 0 | 1 | 0 | 480 |
| 23/24 | International Friendlies | 2 | 0 | 0 | 1 | 0 | 180 |
| 23/24 | UEFA Champions League | 6 | 0 | 0 | 1 | 0 | 540 |
| 23/24 | Bundesliga | 28 | 0 | 0 | 4 | 0 | 2520 |
| 22/23 | UEFA Nations League A | 0 | 0 | 0 | 0 | 0 | 0 |
| 22/23 | ÖFB-Cup | 5 | 0 | 0 | 0 | 0 | 480 |
| 22/23 | International Friendlies | 1 | 0 | 0 | 0 | 0 | 45 |
| 22/23 | European Qualifiers | 6 | 0 | 0 | 1 | 0 | 540 |
| 22/23 | Bundesliga | 25 | 0 | 0 | 2 | 0 | 2250 |
| 21/22 | UEFA Conference League | 7 | 0 | 0 | 1 | 0 | 630 |
| 21/22 | World Cup Qualification Playoffs | 0 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | ÖFB-Cup | 4 | 0 | 0 | 0 | 0 | 360 |
| 21/22 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 21/22 | UEFA Conference League Qualifying | 4 | 0 | 0 | 0 | 0 | 360 |
| 21/22 | Bundesliga Europacup-Play-off | 1 | 0 | 0 | 0 | 0 | 90 |
| 21/22 | Bundesliga | 32 | 0 | 0 | 3 | 0 | 2880 |
| 2025 | World Cup Qualifiers (Europe) | 5 | 0 | 0 | 0 | 0 | 450 |
| 2025 | UEFA Nations League Play-off | 2 | 0 | 0 | 1 | 0 | 180 |
| 2025 | FIFA Club World Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 2024 | UEFA Euro | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021 | World Cup Qualifiers (Europe) | 3 | 0 | 0 | 0 | 0 | 270 |
| 2021 | UEFA Euro | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019 | UEFA Under-21 Euro | 3 | 0 | 0 | 0 | 0 | 270 |
| 2015 | UEFA Under-19 Euro | 2 | 0 | 0 | 0 | 0 | 180 |
| 2013 | U17 World Cup | 3 | 0 | 0 | 0 | 0 | 270 |
| 2013 | UEFA Under-17 Euro | 3 | 0 | 0 | 0 | 0 | 240 |
| 20/21 | UEFA Nations League B | 2 | 0 | 0 | 0 | 0 | 180 |
| 20/21 | ÖFB-Cup | 6 | 0 | 0 | 1 | 0 | 600 |
| 20/21 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 20/21 | UEFA Europa League Qualifying | 2 | 0 | 0 | 0 | 0 | 180 |
| 20/21 | UEFA Europa League | 6 | 0 | 0 | 1 | 0 | 540 |
| 20/21 | Bundesliga | 30 | 0 | 0 | 2 | 0 | 2700 |
| 19/20 | ÖFB-Cup | 4 | 0 | 0 | 1 | 0 | 360 |
| 19/20 | UEFA Europa League | 10 | 0 | 0 | 0 | 0 | 900 |
| 19/20 | UEFA Champions League Qualifying | 4 | 0 | 0 | 0 | 0 | 360 |
| 19/20 | Bundesliga | 32 | 0 | 0 | 1 | 0 | 2880 |
| 18/19 | ÖFB-Cup | 5 | 0 | 0 | 0 | 0 | 480 |
| 18/19 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 168 |
| 18/19 | European Qualifiers | 1 | 0 | 0 | 0 | 0 | 90 |
| 18/19 | UEFA Europa League Qualifying | 4 | 0 | 0 | 0 | 0 | 360 |
| 18/19 | Bundesliga | 31 | 0 | 0 | 0 | 0 | 2790 |
| 17/18 | UEFA European Under-21 Championship Qualifying | 9 | 0 | 0 | 0 | 0 | 810 |
| 17/18 | ÖFB-Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 17/18 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 135 |
| 17/18 | Regional League Central (-2026) | 5 | 0 | 0 | 0 | 0 | 450 |
| 17/18 | Bundesliga | 1 | 0 | 0 | 0 | 0 | 90 |
| 16/17 | ÖFB-Cup | 1 | 0 | 0 | 0 | 0 | 90 |
| 16/17 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 90 |
| 16/17 | 2. Liga | 23 | 0 | 0 | 1 | 0 | 2070 |
| 15/16 | ÖFB-Cup | 0 | 0 | 0 | 0 | 0 | 0 |
| 15/16 | International Friendlies | 0 | 0 | 0 | 0 | 0 | 0 |
| 15/16 | Bundesliga | 10 | 0 | 0 | 0 | 0 | 900 |
| 14/15 | UEFA EURO U19 Championship Qualifiers | 2 | 0 | 0 | 0 | 0 | 180 |
| 14/15 | NOFV-Oberliga Süd | 0 | 0 | 0 | 0 | 0 | 0 |
| 14/15 | A-Junioren Bundesliga North/Northeast (- 23/24) | 18 | 0 | 0 | 0 | 0 | 1620 |
| 14/15 | German Under-19 Championship | 2 | 0 | 0 | 0 | 0 | 180 |
| 13/14 | UEFA European Under-17 Championship qualification | 0 | 0 | 0 | 0 | 0 | 0 |
| 13/14 | ÖFB Jugendliga U18 | 19 | 0 | 0 | 1 | 0 | 1691 |
| 13/14 | International Friendlies | 3 | 0 | 0 | 0 | 0 | 201 |
| 13/14 | 2. Liga | 0 | 0 | 0 | 0 | 0 | 0 |
| 12/13 | UEFA European Under-17 Championship qualification | 6 | 0 | 0 | 0 | 0 | 480 |
| 12/13 | ÖFB Jugendliga U18 | 17 | 0 | 0 | 0 | 0 | 1530 |
| 12/13 | International Friendlies | 7 | 0 | 0 | 0 | 0 | 520 |
| 12/13 | Bundesliga | 0 | 0 | 0 | 0 | 0 | 0 |
| 11/12 | ÖFB Jugendliga U16 | 2 | 0 | 0 | 0 | 0 | 180 |
| 11/12 | ÖFB Jugendliga U18 | 8 | 0 | 0 | 1 | 0 | 642 |
| 11/12 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 160 |
| 11/12 | Regionalliga West | 1 | 0 | 0 | 0 | 0 | 90 |
| 10/11 | ÖFB Jugendliga U16 | 2 | 0 | 0 | 1 | 0 | 180 |
| 10/11 | ÖFB Jugendliga U18 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10/11 | International Friendlies | 2 | 0 | 0 | 0 | 0 | 100 |