| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2025 | Pepsideild | 18 | 975 | 7 | 0 | 0.65 | 6.81 |
| 2026 | Pepsideild | 14 | 401 | 3 | 1 | 0.9 | 6.73 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Figures computed from the GioScore season-stats database · as of 2026-08-04
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 KA Akureyri | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 ÍA | 2 | 1 | 1 | 0 | 0 | 0 | 2 | 1 |
 Víkingur Reykjavík | 2 | 0 | 1 | 1 | 2 | 0 | 0 | 0 |
 Valur | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 KR Reykjavík | 2 | 1 | 0 | 1 | 2 | 0 | 0 | 0 |
 FH | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 |
 ÍBV | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Breidablik | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
 Vestri | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Stjarnan | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Afturelding | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The 2026 Pepsideild line for J. Byström: 14 appearances (401 minutes), 3 goals, 1 assist — 0.9 goal involvements per 90. That season graded out at an average match rating of 6.73.
His recorded league career runs from 2025 to 2026: 2 seasons, all with a single club. His ratings range from 6.73 (2026) up to 6.81 in 2025, Pepsideild.
