Goal efficiency
How clinical and direct the player was in front of goal — volume, accuracy, and conversion.
I Liga · Defender · #0 · Poland · 30 yrs
Marcin Sierczyński is a defender. Marcin Sierczyński is a represents Poland, 30 years old, defender. Marcin Sierczyński was born in Jaworzno, Poland on 1991-04-12. Marcin Sierczyński is 178 cm cm tall and weighs 69 kg kg. Marcin Sierczyński's Sportra profile tracks season statistics across I Liga, Cup. Marcin Sierczyński's page brings together career clubs, trophies, injury history, multi-competition stats, and related news headlines. On Sportra you can explore Marcin Sierczyński season statistics, transfer history, trophies, injury updates, and related news across every competition tracked in the profile.
Defender · #0
| Season | Team |
|---|---|
| 2020 |  Bełchatów BEL |
| 2019 | Bełchatów BEL |
| 2018 | Bełchatów BEL |
| 2017 | Bełchatów BEL |
| 2016 |  Zaglebie Sosnowiec ZAG |
| Date | Type | From | To |
|---|---|---|---|
| 2018-02-16 | Free |  Podbeskidzie POD | Bełchatów BEL |
| 2017-07-05 | Free | Zaglebie Sosnowiec ZAG | Podbeskidzie POD |
Season intelligence
Profile as Defender: high usage. Archetype: Box-to-box engine.
Scaled 0–99 from season output — map to fantasy, comparisons, or scouting cards.
Per-90 rates, efficiency ratios, and Sportra indices from season totals.
How clinical and direct the player was in front of goal — volume, accuracy, and conversion.
Playmaking output: assists, key passes, and custom chance-creation signals.
Minutes, availability, and how central they were to the team.
Every tracked category for this league and season, grouped by Sportra.
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