| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2011/2012 | First League | 3 | 90 | 0 | 0 | 0 | — |
| 2013/2014 | First League | 15 | 360 | 1 | 0 | 0.25 | — |
| 2014/2015 | First League | 13 | 1080 | 0 | 0 | 0 | — |
| 2015/2016 | Second League | 18 | 1231 | 3 | 0 | 0.22 | — |
| 2016/2017 | First League | 12 | 601 | 0 | 0 | 0 | — |
| 2017/2018 | First League | 25 | 2009 | 1 | 1 | 0.09 | — |
| 2017/2018 | Second League | 10 | 811 | 0 | 0 | 0 | — |
| 2018/2019 | First League | 34 | 2462 | 3 | 2 | 0.18 | — |
| 2019/2020 | First League | 25 | 1342 | 2 | 0 | 0.13 | — |
| 2020/2021 | First League | 27 | 1555 | 3 | 1 | 0.23 | — |
| 2021/2022 | First League | 12 | 526 | 0 | 0 | 0 | — |
| 2022/2023 | First League | 24 | 1471 | 4 | 1 | 0.31 | — |
| 2023/2024 | Second League | 14 | 1054 | 6 | 0 | 0.51 | — |
| 2024/2025 | Second League | 1 | 90 | 13 | 0 | 13 | — |
| 2025/2026 | First League | 7 | 255 | 0 | 0 | 0 | 6.48 |
Cohort: 58 Second League midfielders, 2023/2024, min. 450 minutes.
Cohort: 42 Second League midfielders, 2023/2024, min. 900 minutes.
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Slavia Sofia | 6 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
 Lokomotiv Plovdiv | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
 Botev Plovdiv | 5 | 1 | 0 | 4 | 1 | 0 | 1 | 0 |
 Ludogorets | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
 Beroe | 4 | 2 | 2 | 0 | 0 | 0 | 1 | 0 |
 CSKA Sofia | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Levski Sofia | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Botev Vratsa | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Tsarsko selo | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Septemvri Sofia | 3 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
 Diósgyőr | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Dunav 2010 | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 |
 Cherno More | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Lokomotiv Sofia 1929 | 2 | 1 | 1 | 0 | 0 | 0 | 2 | 0 |
 Veľký Meder | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Veľké Ludince | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Jelgava | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 OFK Pirin | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Vereya | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Montana | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
Among Second League midfielders with 900+ minutes in 2023/2024, Rumen Rumenov ranks #1 of 28 for goals per 90 (0.51; median 0.08). Rumen Rumenov ranks 1st for goals among 38 Second League midfielders in 2023/2024, with 6 goals. Rumen Rumenov has 15 league seasons on record, from 2011 to 2025, with 9 clubs.
