Performance Overview
Season Performance 26/27
All Competitions
- Matches
- 6
- Goals
- 0
- Assists
- 0
- Goal Contributions
- 0
- Mins/game
- 83
- Avg Rating
- 6.95
rating
6.91-0.39(-5.5%)
Last 36 matches
Oct 18, 2025 — Oct 18, 2026
High
7.18
Low
6.66
Avg
6.91
G+A
2
Wins14
Draws9
Losses13
| Month | Matches | Mins | G | A | G+A | G/M | Rating |
|---|---|---|---|---|---|---|---|
Aug 2026 | 3 | 226 | 0 | 0 | 0 | 0.00 | 6.79 |
Jul 2026 | 3 | 270 | 0 | 0 | 0 | 0.00 | 7.18 |
May 2026 | 4 | 270 | 0 | 0 | 0 | 0.00 | 6.66 |
Apr 2026 | 5 | 433 | 0 | 0 | 0 | 0.00 | 7.01 |
Mar 2026 | 5 | 410 | 0 | 0 | 0 | 0.00 | 6.94 |
Feb 2026 | 4 | 360 | 1 | 1 | 2 | 0.25 | 7.07 |
Jan 2026 | 3 | 270 | 0 | 0 | 0 | 0.00 | 6.89 |
Dec 2025 | 4 | 360 | 0 | 0 | 0 | 0.00 | 6.69 |
Nov 2025 | 4 | 316 | 0 | 0 | 0 | 0.00 | 6.85 |
Oct 2025 | 1 | 90 | 0 | 0 | 0 | 0.00 | 6.84 |
10 months • 36 matches
Career
Club Career
MGAGxGRtg
Peralada
2017/2018 - 2018/2019
78000.006,705-
Argeş
2025/2026 - now
49310.064,1196.88
Ontinyent
2017/2018
42200.052,488-
CSA Steaua Bucureşti
2023/2024 - 2024/2025
36320.082,8327.20
Spartak Varna
2022/2023
18000.001,600-
Inter Turku
2021/2022 - 2022
16000.001,356-
Total
239830.0319,100
Youth Career
MGAGxGRtg
Real Oviedo II
2019/2020 - 2020/2021
46200.044,105-
Club Career
MGAG+A/90Rtg
Argeş
26/27
6004960.00106.95
Argeş
25/26
43313,6230.10306.87
CSA Steaua Bucureşti
24/25
16121,2240.22507.20
CSA Steaua Bucureşti
23/24
20201,6080.1130-
Spartak Varna
22/23
180—1,6000.0020-
Inter Turku
21/22
160—1,3560.0020-
Peralada
18/19
60005,1460.0070-
Peralada
17/18
18001,5590.0020-
Ontinyent
17/18
42202,4880.07120-
Youth Career
MGAG+A/90Rtg
Real Oviedo II
20/21
25002,2150.0031-
Real Oviedo II
19/20
21201,8900.1060-
League seasons, computed
| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2017/2018 | Segunda B - Group 3 | 16 | 742 | 1 | 0 | 0.12 | — |
| 2017/2018 | Segunda B - Group 1 | 26 | 1746 | 1 | 0 | 0.05 | — |
| 2018/2019 | Segunda B - Group 3 | 26 | 2281 | 0 | 0 | 0 | — |
| 2018/2019 | Segunda B - Group 1 | 34 | 2865 | 0 | 0 | 0 | — |
| 2019/2020 | Segunda B - Group 1 | 21 | 1890 | 2 | 0 | 0.1 | — |
| 2020/2021 | Segunda B - Group 1 | 17 | 1495 | 0 | 0 | 0 | — |
| 2022 | Veikkausliiga | 14 | 1176 | 0 | 0 | 0 | — |
| 2022/2023 | First League | 17 | 1510 | 0 | 0 | 0 | — |
| 2024/2025 | Liga 2 (Romania) | 16 | — | 1 | 2 | — | 7.2 |
| 2025/2026 | Superliga (Romania) | 40 | 3420 | 3 | 1 | 0.11 | 6.87 |
| 2026/2027 | Superliga (Romania) | 6 | 496 | 0 | 0 | 0 | 6.95 |
Career Progress
Appearances per Season
Appearance Distribution
210
Full match
35
Substituted off
23
From Bench
Rober Sierra: career in numbers
- Best-rated season
- 2024/2025 · 7.2Liga 2 (Romania)
- Lowest-rated season
- 2025/2026 · 6.87Superliga (Romania)
- Career involvement (league)
- 0.04 G+A per 908 goals + 3 assists across 11 league seasons (per-90 from 17621 minutes on record)
- League seasons on record
- 11 (2017–2026)
- Clubs with recorded appearances
- 7
Rival Clubs(50)
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Universitatea Cluj | 5 | 1 | 1 | 3 | 1 | 0 | 0 | 0 |
 Csikszereda | 5 | 3 | 2 | 0 | 0 | 0 | 2 | 0 |
 Universitatea Craiova | 5 | 2 | 0 | 3 | 0 | 0 | 0 | 0 |
 Dinamo Bucureşti | 4 | 1 | 2 | 1 | 0 | 0 | 0 | 0 |
 CFR Cluj | 4 | 2 | 1 | 1 | 1 | 0 | 1 | 0 |
 Rapid Bucuresti | 4 | 0 | 2 | 2 | 0 | 0 | 1 | 0 |
 Metaloglobus | 4 | 4 | 0 | 0 | 1 | 1 | 1 | 0 |
 Otelul | 3 | 1 | 0 | 2 | 1 | 0 | 0 | 0 |
 FCSB | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 Voluntari | 3 | 2 | 0 | 1 | 0 | 1 | 0 | 0 |
 Petrolul 52 | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Farul Constanța | 3 | 1 | 2 | 0 | 0 | 0 | 1 | 0 |
 Botoşani | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Mioveni | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Unirea Slobozia | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 UTA Arad | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
 Hermannstadt | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
 OFK Pirin | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Lokomotiv Plovdiv | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 CSKA Sofia | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
1–20 of 50
