| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011/2012 | National | 9 | 0 | 1 | 0 | — | — |
| 2010/2011 | CFA Group A | 11 | 0 | 3 | 0 | — | — |
| 2011/2012 | CFA Group A | 10 | 856 | 0 | 0 | 0 | — |
| 2014/2015 | CFA Group A | 1 | 85 | 0 | 0 | — | — |
| 2011/2012 | CFA Group B | 10 | 0 | 0 | 0 | — | — |
| 2017/2018 | Regionalliga: Nord | 1 | 90 | 0 | 0 | 0 | — |
| 2010/2011 | Ligue 2 | 12 | 661 | 0 | 0 | 0 | — |
| 2011/2012 | Ligue 2 | 2 | 0 | 0 | 0 | — | — |
| 2012/2013 | National | 34 | 0 | 4 | 0 | — | — |
| 2013/2014 | Ligue 2 | 36 | 3201 | 4 | 0 | 0.11 | — |
| 2014/2015 | Ligue 1 | 31 | 90 | 2 | 4 | 6 | — |
| 2015/2016 | Ligue 2 | 4 | 360 | 1 | 0 | 0.25 | — |
| 2015/2016 | Bundesliga | 13 | 1170 | 1 | 0 | 0.08 | — |
| 2016/2017 | Bundesliga | 14 | 1052 | 0 | 1 | 0.09 | — |
| 2017/2018 | Regionalliga: Südwest | 1 | 90 | 0 | 0 | 0 | — |
| 2018/2019 | Bundesliga | 1 | 90 | 0 | 0 | 0 | — |
| 2019/2020 | Ligue 2 | 8 | 720 | 0 | 0 | 0 | 6.95 |
| 2019/2020 | CFA Group B | 2 | 180 | 0 | 0 | 0 | — |
| 2020/2021 | 2. Bundesliga | 15 | 1015 | 1 | 0 | 0.09 | 6.64 |
| 2021/2022 | 2. Bundesliga | 12 | 348 | 0 | 0 | 0 | 6.8 |
| 2022/2023 | National | 11 | 810 | 1 | 0 | 0.11 | — |
| 2024/2025 | CFA Group C | 11 | 450 | 0 | 0 | 0 | — |
Domestic league competitions only; G+A/90 computed from minutes actually played.
Cohort: 24 CFA Group C defenders, 2024/2025, 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 2026-07-06
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Schalke 04 | 6 | 1 | 1 | 4 | 1 | 0 | 0 | 0 |
 Werder Bremen | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
 TSG Hoffenheim | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 1 |
 Bayer 04 Leverkusen | 5 | 2 | 0 | 3 | 0 | 0 | 1 | 0 |
 Saint-Étienne | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 VfL Wolfsburg | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
 Orléans | 4 | 2 | 0 | 2 | 1 | 0 | 0 | 0 |
 Borussia Dortmund | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 FC Augsburg | 3 | 3 | 0 | 0 | 0 | 0 | 1 | 0 |
 Lens | 3 | 1 | 1 | 1 | 0 | 0 | 2 | 0 |
 Darmstadt 98 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 FC Bayern München | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Ingolstadt | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Caen | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Hamburger SV | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Hertha BSC | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Beauvais | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Lorient | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Olympique Marseille | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Nantes | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
Gaëtan Bussmann went through 11 CFA Group C appearances in 2024/2025 (450 minutes) without a goal or an assist. Measured against the 24 CFA Group C defenders who played 450+ minutes in 2024/2025, he ranks in the top 1% by goal involvements per 90 — goals rank: 1st of 24.
2019/2020 stands as his highest-rated season (6.95, Ligue 2), with 2020/2021 the weakest (6.64).
| Club | Period | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| Metz | 2010/2011 - 2014/2015 | 132 | 14 | 4 | 4312 | — | — | — |
| FSV Mainz 05 | 2015/2016 - 2018/2019 | 34 | 1 | 4 | 2845 | — | — | — |
| Nancy | 2022/2023 - 2023/2024 | 31 | 3 | 0 | 1019 | — | — | — |
| Erzgebirge Aue | 2020/2021 - 2021/2022 | 27 | 1 | 0 | 1363 | — | — | 6.72 |
| Épinal | 2011/2012 | 23 | 4 | 0 | 630 | — | — | — |
| Guingamp | 2019/2020 | 9 | 0 | 0 | 810 | — | — | 6.95 |
| Total | 256 | 23 | 8 | 10979 |
| Season | Club | Apps | Goals | Assists | Minutes | YC | RC | Rating |
|---|---|---|---|---|---|---|---|---|
| 24/25 | Épinal | 12 | 0 | — | 540 | 2 | 0 | — |
| 23/24 | Nancy | 18 | 2 | — | 209 | 2 | 0 | — |
| 22/23 | Nancy | 13 | 1 | — | 810 | 1 | 0 | — |
| 21/22 | Erzgebirge Aue | 12 | 0 | — | 348 | 2 | 0 | 6.80 |
| 20/21 | Erzgebirge Aue | 15 | 1 | — | 1015 | 0 | 0 | 6.64 |
| 19/20 | Guingamp | 9 | 0 | — | 810 | 1 | 0 | 6.95 |
| 16/17 | FSV Mainz 05 | 19 | 0 | — | 1495 | 2 | 1 | — |
| 15/16 | FSV Mainz 05 | 13 | 1 | — | 1170 | 3 | 0 | — |
| 15/16 | Metz | 6 | 2 | — | 360 | 0 | 0 | — |
| 14/15 | Metz | 33 | 2 | — | 90 | 2 | 0 | — |
| 13/14 | Metz | 36 | 4 | — | 3201 | 3 | 1 | — |
| 12/13 | Metz | 39 | 6 | — | 0 | 5 | 0 | — |
