| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2010/2011 | 2. Bundesliga | 10 | 797 | 0 | 0 | 0 | — |
| 2010/2011 | Regionalliga: Nord | 17 | 1496 | 0 | 0 | 0 | — |
| 2011/2012 | 2. Bundesliga | 12 | 720 | 0 | 0 | 0 | — |
| 2012/2013 | 2. Bundesliga | 29 | 2487 | 0 | 0 | 0 | — |
| 2013/2014 | 2. Bundesliga | 13 | 731 | 0 | 1 | 0.12 | — |
| 2014/2015 | 2. Bundesliga | 30 | 1769 | 0 | 1 | 0.05 | — |
| 2015/2016 | 2. Bundesliga | 28 | — | 0 | 2 | — | — |
| 2016/2017 | Bundesliga | 32 | 2872 | 1 | 3 | 0.13 | 7.19 |
| 2017/2018 | Bundesliga | 30 | 2287 | 0 | 3 | 0.12 | 7.16 |
| 2018/2019 | Bundesliga | 26 | 2061 | 0 | 2 | 0.09 | 7.18 |
| 2019/2020 | Bundesliga | 17 | 1212 | 0 | 0 | 0 | 6.92 |
| 2019/2020 | Serie A | 15 | 904 | 1 | 0 | 0.1 | 6.86 |
| 2020/2021 | Serie A | 24 | 1597 | 2 | 3 | 0.28 | 7.02 |
| 2021/2022 | Serie A | 19 | 685 | 1 | 0 | 0.13 | 6.87 |
| 2022/2023 | Serie A | 7 | 144 | 0 | 0 | 0 | 6.8 |
| 2023/2024 | Serie A | 2 | 73 | 0 | 1 | — | 6.74 |
| 2024/2025 | 2. Bundesliga | 22 | 1571 | 0 | 2 | 0.11 | 7.01 |
| 2025/2026 | 2. Bundesliga | 13 | 546 | 0 | 0 | 0 | 6.68 |
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 | ||
|---|---|---|---|---|---|---|---|---|
 Atalanta | 9 | 5 | 1 | 3 | 0 | 0 | 0 | 0 |
 Inter | 9 | 2 | 3 | 4 | 0 | 0 | 1 | 0 |
 Roma | 8 | 5 | 2 | 1 | 0 | 0 | 1 | 0 |
 Fiorentina | 8 | 4 | 0 | 4 | 1 | 0 | 2 | 0 |
 Fortuna Düsseldorf | 8 | 5 | 1 | 2 | 0 | 0 | 1 | 0 |
 Hellas Verona | 8 | 4 | 3 | 1 | 0 | 1 | 1 | 0 |
 FC Köln | 8 | 4 | 2 | 2 | 0 | 1 | 2 | 0 |
 Bologna | 8 | 5 | 3 | 0 | 0 | 0 | 0 | 0 |
 Lazio | 7 | 4 | 1 | 2 | 0 | 0 | 2 | 0 |
 Schalke 04 | 7 | 2 | 3 | 2 | 0 | 0 | 2 | 0 |
 AC Milan | 7 | 2 | 2 | 3 | 0 | 0 | 0 | 0 |
 Udinese | 7 | 6 | 1 | 0 | 0 | 0 | 1 | 0 |
 Eintracht Frankfurt | 7 | 3 | 3 | 1 | 0 | 0 | 1 | 0 |
 FC Bayern München | 7 | 1 | 2 | 4 | 0 | 0 | 1 | 0 |
 VfL Wolfsburg | 7 | 3 | 2 | 2 | 0 | 0 | 0 | 0 |
 Torino | 7 | 5 | 1 | 1 | 0 | 0 | 0 | 0 |
 Borussia Mönchengladbach | 7 | 5 | 2 | 0 | 0 | 0 | 2 | 0 |
 FSV Mainz 05 | 7 | 4 | 2 | 1 | 0 | 0 | 0 | 0 |
 Sassuolo | 7 | 4 | 2 | 1 | 0 | 1 | 2 | 0 |
 TSG Hoffenheim | 7 | 3 | 2 | 2 | 0 | 1 | 1 | 0 |
Diego Demme's 13 outings in the 2025/2026 2. Bundesliga (546 minutes) produced no goals and no assists. That season graded out at an average match rating of 6.68.
2016/2017 stands as his highest-rated season (7.19, Bundesliga), with 2025/2026 the weakest (6.68). Compared with his earlier career average, the last two rated seasons are down by 0.15.
