| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 26805 | Veikkausliiga | 9 | 185 | 1 | 0 | 0.49 | 6.63 |
| 2017 | Kakkonen | 11 | 786 | 3 | 0 | 0.34 | — |
| 2017 | Kakkonen-LohkoC | 10 | 375 | 2 | 0 | 0.48 | — |
| 2018 | Kakkonen | 1 | 86 | 0 | 0 | — | — |
| 2018 | Kakkonen-LohkoC | 11 | 963 | 4 | 0 | 0.37 | — |
| 2019 | Veikkausliiga | 8 | 81 | 0 | 0 | — | — |
| 2019 | Kakkonen | 15 | 1268 | 9 | 0 | 0.64 | — |
| 2020 | Veikkausliiga | 7 | 220 | 0 | 0 | 0 | — |
| 2020 | Kakkonen | 6 | 523 | 5 | 0 | 0.86 | — |
| 2021 | Veikkausliiga | 13 | 569 | 1 | 1 | 0.32 | — |
| 2021 | Kakkonen | 1 | 90 | 1 | 0 | 1 | — |
| 2022 | Veikkausliiga | 18 | 856 | 1 | 0 | 0.11 | — |
| 2022 | Kakkonen | 1 | 90 | 0 | 0 | 0 | — |
| 2023 | Veikkausliiga | 20 | 698 | 5 | 1 | 0.77 | 7.08 |
| 2024 | Veikkausliiga | 21 | 706 | 4 | 0 | 0.51 | 6.8 |
| 2025 | Veikkausliiga | 17 | 609 | 0 | 2 | 0.3 | 6.74 |
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.
Cohort: 36 Veikkausliiga midfielders, 2025, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-07-17
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 HJK | 7 | 3 | 3 | 1 | 0 | 0 | 0 | 0 |
 Inter Turku | 6 | 1 | 3 | 2 | 0 | 0 | 0 | 0 |
 Ilves | 6 | 3 | 0 | 3 | 0 | 0 | 1 | 0 |
 Mariehamn | 5 | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
 Haka | 5 | 3 | 1 | 1 | 1 | 1 | 0 | 0 |
 Oulu | 4 | 2 | 1 | 1 | 2 | 0 | 0 | 0 |
 Gnistan | 4 | 3 | 1 | 0 | 0 | 1 | 1 | 0 |
 SJK | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 HIFK | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
 VPS | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 EIF | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 0 |
 Lahti | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
 KTP | 3 | 3 | 0 | 0 | 2 | 0 | 1 | 0 |
 Honka | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kairat | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Milsami | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 TP-47 | 2 | 1 | 0 | 1 | 2 | 0 | 0 | 0 |
 GBK | 2 | 1 | 1 | 0 | 1 | 0 | 1 | 0 |
 Molde | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Kajaani | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
All of Arttu Heinonen's 26805 Veikkausliiga output came as goals: 1 goal in 9 games (185 minutes) — 0.49 goal involvements per 90. GioScore's computed rating for the season averages 6.63. Measured against a 36-strong pool of Veikkausliiga midfielders (2025, min. 450 minutes), he sits in the 11th percentile by match rating — goals rank: 25th of 36.
Season ratings peak at 7.08 in 2023, Veikkausliiga and bottom out at 6.63 in 26805.
