| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2013/2014 | National 3: Group K | 17 | 1261 | 12 | 0 | 0.86 | — |
| 2013/2014 | National 3: Bourgogne-Franche-Comté | 12 | 810 | 9 | 0 | 1 | — |
| 2014/2015 | Ligue 1 | 3 | 59 | 1 | 0 | — | — |
| 2015/2016 | Ligue 1 | 16 | 724 | 3 | 2 | 0.62 | 6.81 |
| 2016/2017 | Ligue 2 | 28 | 1357 | 6 | 2 | 0.53 | 6.89 |
| 2017/2018 | Ligue 2 | 27 | 888 | 3 | 0 | 0.3 | 6.83 |
| 2017/2018 | National | 10 | 413 | 1 | 0 | 0.22 | — |
| 2017/2018 | CFA Group C | 2 | 177 | 2 | 0 | 1.02 | — |
| 2018/2019 | Ligue 1 | 1 | 1 | 0 | 0 | — | — |
| 2018/2019 | Ligue 2 | 20 | 887 | 4 | 1 | 0.51 | 6.91 |
| 2019/2020 | Super League (Switzerland) | 23 | 1135 | 4 | 3 | 0.56 | 6.97 |
| 2020/2021 | Super League (Switzerland) | 33 | 2252 | 12 | 4 | 0.64 | 6.99 |
| 2021/2022 | Super League (Switzerland) | 16 | 1180 | 6 | 2 | 0.61 | 6.98 |
| 2021/2022 | Ligue 1 | 14 | 391 | 0 | 1 | 0.23 | 6.72 |
| 2022/2023 | Ligue 1 | 37 | 2242 | 10 | 3 | 0.52 | 6.93 |
| 2023/2024 | Ligue 1 | 26 | 1019 | 2 | 1 | 0.26 | 6.75 |
| 2024/2025 | Pro League | 18 | 589 | 1 | 0 | 0.15 | 6.84 |
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 2026-07-24
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Olympique Lyonnais | 7 | 5 | 0 | 2 | 3 | 0 | 1 | 0 |
 Nice | 7 | 4 | 0 | 3 | 0 | 1 | 2 | 0 |
 Olympique Marseille | 6 | 2 | 0 | 4 | 0 | 0 | 1 | 0 |
 Nantes | 6 | 1 | 2 | 3 | 0 | 0 | 0 | 0 |
 Brest | 6 | 0 | 1 | 5 | 1 | 0 | 0 | 0 |
 Montpellier | 6 | 1 | 3 | 2 | 0 | 0 | 0 | 0 |
 Paris Saint Germain | 6 | 1 | 3 | 2 | 2 | 0 | 1 | 0 |
 Rennes | 6 | 2 | 0 | 4 | 1 | 0 | 0 | 0 |
 Strasbourg | 6 | 0 | 4 | 2 | 0 | 0 | 0 | 0 |
 Reims | 6 | 3 | 0 | 3 | 1 | 1 | 0 | 0 |
 Lens | 5 | 0 | 0 | 5 | 0 | 0 | 2 | 0 |
 Toulouse | 5 | 2 | 2 | 1 | 1 | 0 | 1 | 0 |
 LOSC Lille | 5 | 0 | 2 | 3 | 0 | 0 | 0 | 0 |
 Monaco | 5 | 0 | 1 | 4 | 0 | 0 | 0 | 0 |
 Lorient | 5 | 3 | 0 | 2 | 1 | 0 | 0 | 0 |
 Gazélec Ajaccio | 4 | 2 | 0 | 2 | 1 | 0 | 0 | 0 |
 Troyes | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
 Club Brugge | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Standard Liège | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Angers SCO | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 |
Across 18 Pro League appearances in 2024/2025 (589 minutes), Grejohn Kyei scored 1 goal but did not register an assist — 0.15 goal involvements per 90. That season graded out at an average match rating of 6.84.
2020/2021 stands as his highest-rated season (6.99, Super League (Switzerland)), with 2021/2022 the weakest (6.72).
