| Úrvalsdeild | 14/06/18 | KA Akureyri | - | UMF Stjarnan | 1:2 |  |
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| Úrvalsdeild | 19/09/18 | UMF Stjarnan | - | KA Akureyri | 1:1 | ||||
| Úrvalsdeild | 19/04/24 | UMF Stjarnan | - | Valur Reykjavík | 1:0 |  |
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| Úrvalsdeild | 30/05/24 | Valur Reykjavík | - | UMF Stjarnan | 5:1 | |
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| Úrvalsdeild | 14/06/25 | UMF Stjarnan | - | Valur Reykjavík | 3:2 |  |
| Bjarni Mark Antonsson Duffield | |
| Born: | 27.12.1995 |
| Place of birth: |
Siglufjörður, 
Iceland |
| Nationality: |
Iceland
England |
| Height: | 185 cm |
| Weight: | 80 kg |
| Position(s): | Defensive Midfielder Central Midfielder |
| Foot: | left |
