Markuss Kristiāns Sieradzkis
| Jersey number | 54 |
| Position | Center |
| Birth date | 22.05.2006 |
| Country | Latvia |
| RHC career | Team | GP | G | A | PTS | PIM | PPG | SHG | GWG | OTG |
| 2023 U18: | Tukums (TKS) | 7 | 4 | 2 | 6 | 4 | 0 | 0 | 3 | 0 |
| 2022 U16: | HS Rīga 2006 (HSR) | 8 | 8 | 5 | 13 | 0 | 0 | 0 | 3 | 0 |
| 2022 U18: | HS Riga 2005 (RIA) | 7 | 3 | 9 | 12 | 0 | 1 | 0 | 1 | 0 |
