Goal efficiency
How clinical and direct the player was in front of goal — volume, accuracy, and conversion.
KNVB Beker · Midfielder · #0 · Netherlands · 28 yrs
Stef van der Zalm is a midfielder. Stef van der Zalm is a Dutch international, 28 years old, midfielder. Stef van der Zalm was born in Netherlands on 1994-01-31. Stef van der Zalm's Sportra profile tracks season statistics across KNVB Beker. Stef van der Zalm's page brings together career clubs, trophies, injury history, multi-competition stats, and related news headlines. On Sportra you can explore Stef van der Zalm season statistics, transfer history, trophies, injury updates, and related news across every competition tracked in the profile.
Midfielder · #0
| Date | Type | From | To |
|---|---|---|---|
| 2020-07-01 | Free |  SJC Noordwijk |  Noordwijk NOO |
Season intelligence
Profile as Midfielder: 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.
Stef van der Zalm is a midfielder. Stef van der Zalm is a Dutch international, 28 years old, midfielder. Stef van der Zalm was born in Netherlands on 1994-01-31. Stef van der Zalm's Sportra profile tracks season statistics across KNVB Beker. Stef van der Zalm's page brings together career clubs, trophies, injury history, multi-competition stats, and related news headlines. On Sportra you can explore Stef van der Zalm season statistics, transfer history, trophies, injury updates, and related news across every competition tracked in the profile.
Midfielder · #0
| Date | Type | From | To |
|---|---|---|---|
| 2020-07-01 | Free | SJC Noordwijk | Noordwijk NOO |
Season intelligence
Profile as Midfielder: 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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Tap a headline to view metadata and excerpt fields in Sportra, then use the article website button to continue on the original publisher page.