| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010 | Meistaradeildin | 27 | 1335 | 0 | 0 | 0 | — |
| 2011 | Meistaradeildin | 24 | 720 | 7 | 0 | 0.88 | — |
| 2012 | Meistaradeildin | 20 | — | 11 | 0 | — | — |
| 2013 | Meistaradeildin | 25 | 2091 | 5 | 0 | 0.22 | — |
| 2015 | 1. Division | 16 | 597 | 2 | 0 | 0.3 | — |
| 2016 | Pepsideild | 7 | 189 | 0 | 0 | 0 | — |
| 2017 | Pepsideild | 19 | 1057 | 2 | 0 | 0.17 | — |
| 2018 | Pepsideild | 22 | 1954 | 2 | 2 | 0.18 | — |
| 2019 | Pepsideild | 16 | 681 | 0 | 0 | 0 | — |
| 2020 | Pepsideild | 17 | 907 | 2 | 2 | 0.4 | — |
| 2021 | Pepsideild | 15 | 609 | 3 | 2 | 0.74 | — |
| 2022 | Pepsideild | 24 | 1645 | 3 | 1 | 0.22 | — |
| 2023 | Inkasso-Deildin | 17 | 353 | 0 | 0 | 0 | — |
| 2024 | Inkasso-Deildin | 17 | 1438 | 5 | 2 | 0.44 | — |
| 2025 | Meistaradeildin | 6 | 98 | 0 | 0 | 0 | 6.5 |
| 2026 | Meistaradeildin | 7 | 288 | 0 | 2 | 0.63 | 7.07 |
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 2026-07-21
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 KÍ | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
 B36 | 5 | 0 | 3 | 2 | 0 | 0 | 0 | 0 |
 HB | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
 B68 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 |
 07 Vestur | 4 | 2 | 2 | 0 | 2 | 0 | 1 | 0 |
 NSÍ | 4 | 2 | 0 | 2 | 1 | 0 | 1 | 0 |
 EB / Streymur | 4 | 1 | 2 | 1 | 0 | 0 | 1 | 0 |
 ÍBV | 3 | 1 | 1 | 1 | 1 | 0 | 1 | 0 |
 ÍA | 3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
 B71 | 3 | 3 | 0 | 0 | 3 | 0 | 0 | 0 |
 Fjölnir | 3 | 0 | 1 | 2 | 1 | 0 | 0 | 0 |
 ÍF | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 0 |
 Beşiktaş | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Dinamo Zagreb | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Thróttur Reykjavík | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
 Inter Turku | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Sarpsborg 08 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Ludogorets | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Maribor | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Thór | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Romania | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Northern Ireland | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Sweden | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Greece | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Finland | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Norway | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Azerbaijan | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Malta | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Spain | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Czech Republic | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Hungary | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Latvia | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Kosovo | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 North. Ireland U21 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Serbia U21 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Every direct contribution from Kaj Leo í Bartalsstovu in the 2026 Meistaradeildin was an assist — 2 assists across 7 games (288 minutes) — 0.63 goal involvements per 90. His average match rating for that season computes to 7.07.
The record shows 16 league seasons for him (2010–2026) across 9 clubs. No recorded season of his rates higher than 2026's 7.07; the floor is 2025, at 6.5.
