| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2015/2016 | Eerste Divisie | 16 | 923 | 2 | 0 | 0.2 | — |
| 2016/2017 | Eredivisie | 5 | 143 | 2 | 0 | 1.26 | 7.41 |
| 2016/2017 | Eerste Divisie | 31 | 2612 | 17 | 4 | 0.72 | 6.73 |
| 2017/2018 | Eredivisie | 7 | 206 | 0 | 0 | 0 | 6.7 |
| 2017/2018 | Eerste Divisie | 16 | 1315 | 11 | 4 | 1.03 | — |
| 2018/2019 | Eredivisie | 31 | 2692 | 16 | 5 | 0.7 | 7.38 |
| 2019/2020 | Eredivisie | 7 | 546 | 2 | 1 | 0.49 | 7.11 |
| 2020/2021 | Eredivisie | 1 | 51 | 0 | 0 | — | 6.94 |
| 2020/2021 | Serie A | 15 | 278 | 2 | 0 | 0.65 | 6.78 |
| 2021/2022 | Bundesliga | 15 | 514 | 1 | 0 | 0.18 | 6.7 |
| 2021/2022 | Serie A | 2 | 37 | 0 | 0 | — | 6.63 |
| 2022/2023 | Serie A | 19 | 1102 | 1 | 1 | 0.16 | 6.9 |
| 2023/2024 | Eredivisie | 20 | 1817 | 11 | 3 | 0.69 | 7.63 |
| 2023/2024 | Premiership | 17 | 849 | 2 | 2 | 0.42 | 7.22 |
| 2024/2025 | Eredivisie | 21 | 1508 | 7 | 1 | 0.48 | 7.24 |
| 2025/2026 | Eredivisie | 25 | 1546 | 6 | 7 | 0.76 | 7.12 |
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 2026-07-26
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ajax | 12 | 4 | 3 | 5 | 2 | 1 | 0 | 0 |
 FC Groningen | 10 | 4 | 5 | 1 | 1 | 0 | 0 | 0 |
 AZ | 9 | 5 | 1 | 3 | 2 | 1 | 0 | 0 |
 Feyenoord | 9 | 3 | 2 | 4 | 1 | 0 | 0 | 0 |
 FC Utrecht | 9 | 4 | 1 | 4 | 1 | 0 | 1 | 0 |
 Heracles Almelo | 9 | 6 | 1 | 2 | 4 | 1 | 0 | 0 |
 Vitesse | 8 | 5 | 3 | 0 | 2 | 0 | 1 | 0 |
 PEC Zwolle | 8 | 5 | 3 | 0 | 2 | 0 | 1 | 0 |
 Excelsior | 8 | 5 | 3 | 0 | 0 | 0 | 0 | 0 |
 Willem II | 7 | 5 | 1 | 1 | 3 | 1 | 0 | 0 |
 FC Twente | 6 | 3 | 3 | 0 | 0 | 0 | 0 | 0 |
 Napoli | 6 | 2 | 1 | 3 | 1 | 0 | 0 | 0 |
 NAC Breda | 6 | 4 | 1 | 1 | 1 | 0 | 0 | 0 |
 PSV | 6 | 0 | 3 | 3 | 0 | 2 | 1 | 0 |
 Sparta Rotterdam | 6 | 4 | 1 | 1 | 1 | 0 | 0 | 0 |
 SC Heerenveen | 6 | 4 | 1 | 1 | 3 | 1 | 0 | 0 |
 Lazio | 5 | 2 | 0 | 3 | 0 | 0 | 0 | 0 |
 Fiorentina | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 |
 NEC Nijmegen | 5 | 4 | 1 | 0 | 2 | 0 | 0 | 0 |
 Torino | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
Player stats against each opponent national team
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Scotland U21 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 England U21 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Latvia U21 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Andorra U21 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ukraine U21 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Sam Lammers's 2025/2026 Eredivisie season produced 6 goals and 7 assists across 25 appearances (1,546 minutes) — 0.76 goal involvements per 90. GioScore's computed rating for the season averages 7.12.
His ratings range from 6.7 (2017/2018) up to 7.63 in 2023/2024, Eredivisie.
