Deutsch 
| Position | Verteidiger |
| Nationalität |  |
| Geburtsort | Macomb, MI, USA |
| Größe | 191 cm |
| Gewicht | 86 kg |
| Geburtsdatum | 22.11.2001 |
| Jugendmannschaft | - |
| Schusshand/Fanghand | Links |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2013-2014 | Colorado Thunderbirds | QC Int PW | 2 | 0 | 1 | 1 | 4 | | | ||||||
| 2014-2015 | Belle Tire 13U AAA | T1EHL 13U | 5 | 0 | 0 | 0 | 0 | | | ||||||
| 2015-2016 | Belle Tire 14U AAA | T1EHL 14U | 12 | 1 | 2 | 3 | 8 | | | Playoffs | 4 | 0 | 1 | 1 | 4 |
| Bauer Selects U15 | WSI U15 | 7 | 0 | 2 | 2 | 6 | | | |||||||
| 2016-2017 | Belle Tire 16U AAA | T1EHL 16U | 32 | 4 | 12 | 16 | 24 | | | Playoffs | 4 | 1 | 0 | 1 | 4 |
| Team Royal | USA-S15 | 3 | 0 | 2 | 2 | - | | | |||||||
| TPH Thunder 16U | OHL Cup | 4 | 0 | 1 | 1 | 4 | | | |||||||
| 2017-2018 | Flint Firebirds | OHL | 45 | 1 | 3 | 4 | 28 | | | ||||||
| Team Royal | USA-S16 | 5 | 0 | 1 | 1 | - | | | |||||||
| 2018-2019 | Flint Firebirds | OHL | 22 | 0 | 4 | 4 | 20 | | | ||||||
| 2019-2020 | Flint Firebirds | OHL | 42 | 1 | 2 | 3 | 15 | | | ||||||
| 2020-2021 | Hannover Indians | Germany3 | 24 | 0 | 2 | 2 | 4 | | | ||||||
| 2021-2022 | Flint Firebirds | OHL | 16 | 0 | 4 | 4 | 14 | | | ||||||
| Hammer Eisbären | Germany3 | 25 | 1 | 8 | 9 | 24 | | | |||||||
| 2022-2023 | Hammer Eisbären | Germany3 | 32 | 4 | 7 | 11 | 18 | | | Playoffs | 3 | 1 | 0 | 1 | 7 |
| 2023-2024 | EHC Freiburg | DEL2 | 34 | 1 | 6 | 7 | 20 | | | Playoffs | 2 | 0 | 0 | 0 | 0 |
| EV Lindau | Germany3 | 6 | 0 | 4 | 4 | 2 | | |
Marcus Gretz (* 22. November 2001 in Macomb, MI, USA) ist ein deutsch-us-amerikanischer Eishockeyspieler, der seit der Saison 2020/21 bei den EC Hannover Indians aus der Oberliga Nord unter Vertrag steht!
