| Personal information | |||
|---|---|---|---|
| Date of birth | 15 May 2004 | ||
| Place of birth | Bratislava, Slovakia | ||
| Height | 1.80 m (5 ft 11 in) | ||
| Position | Midfielder | ||
| Team information | |||
Current team |
1. FC Kaiserslautern (on loan from Toulouse) | ||
| Number | 21 | ||
| Youth career | |||
| –2013 | Rača | ||
| 2014–2018 | Slovan Bratislava | ||
| 2018–2020 | Žilina | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2021–2023 | Žilina B | 23 | (7) |
| 2021–2025 | Žilina | 87 | (14) |
| 2025– | Toulouse | 25 | (1) |
| 2026– | → 1. FC Kaiserslautern (loan) | 1 | (0) |
| International career‡ | |||
| Slovakia U15 | 9 | (3) | |
| Slovakia U16 | 8 | (0) | |
| Slovakia U17 | 2 | (0) | |
| Slovakia U18 | 5 | (1) | |
| 2022–2023 | Slovakia U19 | 14 | (0) |
| 2022–2023 | Slovakia U20 | 6 | (0) |
| 2023–2025 | Slovakia U21 | 22 | (5) |
| 2026– | Slovakia | 3 | (0) |
|
* Club domestic league appearances and goals as of 30 August 2026 ‡ National team caps and goals as of 5 June 2026 | |||
Mário Sauer (born 15 May 2004) is a Slovak professional footballer who plays as a midfielder for 2. Bundesliga club 1. FC Kaiserslautern, on loan from Ligue 1 club Toulouse, and the Slovakia national team.
Sauer made his Fortuna Liga debut for Žilina against Spartak Trnava on 16 May 2021. He came on in the second half replacing Vahan Bichakhchyan.
On 22 May 2025, Sauer signed with Toulouse in France.
On 26 August 2026, Sauer was loaned by 1. FC Kaiserslautern in German 2. Bundesliga.
Sauer played for the Slovakia U-19 side alongside his younger brother, Leo Sauer. Both were selected for the Slovakia U-20 side to compete at the 2023 FIFA U-20 World Cup.
| Club | Season | League | National cup | Europe | Other | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Žilina B | 2020–21 | 2. Liga | 1 | 0 | — | — | — | 1 | 0 | |||
| 2021–22 | 2. Liga | 11 | 4 | — | — | — | 11 | 4 | ||||
| 2022–23 | 2. Liga | 11 | 3 | — | — | — | 11 | 3 | ||||
| Total | 23 | 7 | — | — | — | 23 | 7 | |||||
| Žilina | 2020–21 | Slovak First Football League | 1 | 0 | 0 | 0 | — | — | 1 | 0 | ||
| 2021–22 | Slovak First Football League | 10 | 1 | 1 | 0 | — | — | 11 | 1 | |||
| 2022–23 | Slovak First Football League | 15 | 0 | 1 | 1 | — | — | 16 | 1 | |||
| 2023–24 | Slovak First Football League | 29 | 6 | 1 | 0 | 4 | 0 | — | 34 | 6 | ||
| 2024–25 | Slovak First Football League | 32 | 7 | 5 | 1 | — | — | 37 | 8 | |||
| Total | 87 | 14 | 8 | 2 | 4 | 0 | — | 99 | 16 | |||
| Toulouse | 2025–26 | Ligue 1 | 25 | 1 | 4 | 0 | — | — | 29 | 1 | ||
| Career total | 135 | 22 | 12 | 2 | 4 | 0 | 0 | 0 | 151 | 24 | ||
| National team | Year | Apps | Goals |
|---|---|---|---|
| Slovakia | 2026 | 2 | 0 |
| Total | 2 | 0 | |
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