Deutsch 
| Position | Verteidiger |
| Nationalität |  |
| Größe | 179 cm |
| Gewicht | 76 kg |
| Geburtsdatum | 05.11.2002 |
| Jugendmannschaft | EHC Seewen |
| Schläger | Links |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2014-2015 | Hockey Innerschwyz II U15 | Swiss U16-Top | 8 | 0 | 1 | 1 | 2 | | | ||||||
| 2015-2016 | Hockey Innerschwyz U15 | Swiss U16-Top | 24 | 0 | 2 | 2 | 10 | | | ||||||
| Hockey Innerschwyz U15 | Mini Top Q | - | - | - | - | - | | | Qualification | 4 | 0 | 0 | 0 | 4 | |
| 2016-2017 | EV Zug U16 | Swiss U16-Elit | 26 | 3 | 3 | 6 | 43 | | | Playoffs QC | 2 | 0 | 1 | 1 | 0 |
| 2017-2018 | EV Zug U18 | Swiss U18-Elit | 34 | 2 | 6 | 8 | 4 | | | Playoffs | 10 | 0 | 1 | 1 | 14 |
| Hockey Innerschwyz U18 | Swiss U18-Top | 4 | 0 | 1 | 1 | 0 | | | |||||||
| Switzerland U16 (all) | International-Jr | 3 | 0 | 0 | 0 | 0 | | | |||||||
| 2018-2019 | EV Zug U18 | Swiss U18-Elit | 15 | 1 | 3 | 4 | 0 | | | Playoffs | 7 | 0 | 0 | 0 | 2 |
| EV Zug U21 | Swiss U21-Elit | 6 | 0 | 0 | 0 | 2 | | | Relegation | 2 | 0 | 1 | 1 | 2 | |
| Switzerland U17 | EYOF | 3 | 0 | 0 | 0 | 2 | | | |||||||
| Switzerland U17 (all) | International-Jr | 21 | 1 | 1 | 2 | 12 | | | |||||||
| 2019-2020 | EV Zug U21 | Swiss U21-Elit | 42 | 5 | 4 | 9 | 14 | | | Playoffs | 3 | 0 | 0 | 0 | 4 |
| Switzerland U18 | Hlinka Gretzky Cup | 4 | 0 | 2 | 2 | 0 | | | |||||||
| Switzerland U18 (all) | International-Jr | 17 | 0 | 3 | 3 | 2 | | | |||||||
| 2020-2021 | EV Zug U21 | Swiss U21-Elit | 13 | 0 | 3 | 3 | 4 | | | Playoffs | 2 | 0 | 1 | 1 | 0 |
| EV Zug | NL | 7 | 0 | 0 | 0 | 0 | | | |||||||
| EVZ Academy | SL | 19 | 2 | 0 | 2 | 8 | | | |||||||
| Switzerland U19 (all) | International-Jr | 3 | 0 | 1 | 1 | 2 | | | |||||||
| 2021-2022 | EV Zug U21 | Swiss U21-Elit | 0 | 0 | 0 | 0 | 0 | | | Playoffs | 10 | 0 | 2 | 2 | 6 |
| EV Zug | NL | 7 | 0 | 0 | 0 | 0 | | | |||||||
| EVZ Academy | SL | 37 | 2 | 4 | 6 | 14 | | | Playoffs | 1 | 0 | 0 | 0 | 2 | |
| Switzerland U20 (all) | WJC-20 Cancelled | 1 | 0 | 0 | 0 | 0 | | | |||||||
| Switzerland U20 | WJC-20 | 3 | 0 | 1 | 1 | 2 | | | |||||||
| Switzerland U20 (all) | International-Jr | 13 | 0 | 2 | 2 | 6 | | | |||||||
| 2022-2023 | EV Zug U21 | Swiss U21-Elit | 22 | 5 | 12 | 17 | 41 | | | ||||||
| EV Zug | NL | 23 | 0 | 1 | 1 | 0 | | | Playoffs | 6 | 0 | 0 | 0 | 0 | |
| EV Zug | Champions HL | 6 | 0 | 1 | 1 | 2 | | | |||||||
| Switzerland U20 (all) | International-Jr | 3 | 0 | 0 | 0 | 0 | | | |||||||
| 2023-2024 | EV Zug U21 | Swiss U21-Elit | 0 | 0 | 0 | 0 | 0 | | | Playoffs | 9 | 0 | 1 | 1 | 0 |
| EV Zug | NL | 6 | 0 | 1 | 1 | 4 | | | Playoffs | 1 | 0 | 0 | 0 | 0 | |
| HC La Chaux-de-Fonds | SL | 39 | 4 | 20 | 24 | 8 | | | Playoffs | 5 | 0 | 1 | 1 | 2 | |
| HC La Chaux-de-Fonds | National Cup | 1 | 0 | 0 | 0 | 0 | | | |||||||
| 2024-2025 | HC Ajoie | NL | 50 | 5 | 5 | 10 | 14 | | | Relegation | 6 | 0 | 0 | 0 | 0 |
| HC Ajoie | NL Q | - | - | - | - | - | | | Qualification | 5 | 0 | 0 | 0 | 0 | |
| 2025-2026 | HC Ajoie | NL | 37 | 1 | 2 | 3 | 4 | | | Relegation | 3 | 0 | 0 | 0 | 0 |
| 2026-2027 | SCL Tigers | NL | - | - | - | - | - | | |
Arno Nussbaumer wurde am 5. November 2002 in der Schweiz geboren. Der 1,79 Meter große und 76 Kilogramm schwere Verteidiger stammt aus dem Nachwuchs des EHC Seewen. Mit seiner linken Schusshand bringt er Beweglichkeit, Spielverständnis und eine gute Balance zwischen Defensive und Spielaufbau aufs Eis. Nussbaumer überzeugt durch sein sauberes Stellungsspiel, seine Puckkontrolle und seine ruhige Spielweise unter Druck. Trotz seines jungen Alters zeigt er bereits viel Reife und Verantwortungsbewusstsein in der eigenen Zone. Er gilt als entwicklungsstarkes Talent mit Perspektive im Schweizer Eishockey.
