| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| 2018/2019 | Liga de Expansión MX | 6 | 270 | 0 | 0 | 0 | — |
| 2020 | Liga BetPlay | 8 | 563 | 0 | 0 | 0 | 6.92 |
| 2021 | Liga BetPlay | 14 | 676 | 0 | 0 | 0 | 6.74 |
| 2025 | Liga BetPlay | 30 | 1766 | 0 | 0 | 0 | 6.64 |
| 2026 | Liga BetPlay | 14 | 954 | 0 | 0 | 0 | 6.75 |
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 2026-07-25
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Unión Magdalena | 6 | 2 | 3 | 1 | 0 | 0 | 2 | 0 |
 Deportes Tolima | 5 | 2 | 0 | 3 | 0 | 0 | 0 | 1 |
 Santa Fe | 5 | 3 | 0 | 2 | 0 | 0 | 1 | 0 |
 Orsomarso | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 |
 Atlético Bucaramanga | 4 | 1 | 2 | 1 | 0 | 0 | 1 | 0 |
 Real Cartagena | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 0 |
 Rionegro Águilas | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Independiente Medellín | 3 | 0 | 1 | 2 | 0 | 0 | 1 | 0 |
 Fortaleza CEIF | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Junior FC | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 América de Cali | 3 | 0 | 2 | 1 | 0 | 0 | 0 | 0 |
 Internacional de Bogotá | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Deportivo Pasto | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 Cúcuta Deportivo | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
 Real Cundinamarca | 3 | 2 | 1 | 0 | 0 | 0 | 2 | 0 |
 Deportivo Cali | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Once Caldas | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Atlético Huila | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 |
 Atlético Nacional | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Millonarios | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
Neither a goal nor an assist came from Marlon Sierra's 14 Liga BetPlay appearances in 2026 (954 minutes). That season graded out at an average match rating of 6.75.
Between 2018 and 2026 he accumulated 5 league seasons across 3 clubs. His best-rated season remains 2020 (6.92, Liga BetPlay); his lowest was 2025 (6.64).
