Goal efficiency
How clinical and direct the player was in front of goal — volume, accuracy, and conversion.
J. Sierra plays as a midfielder for Mazatlán. J. Sierra is a represents Ecuador, 28 years old, midfielder, currently at Mazatlán. J. Sierra wears shirt number 23 for Mazatlán. J. Sierra was born in Manta, Ecuador on 1997-04-23. J. Sierra is 170 cm tall and weighs 64 kg. J. Sierra's Sportra profile tracks season statistics across Friendlies, Liga MX, World Cup - U20, CONCACAF Champions League, and other leagues. J. Sierra's page brings together career clubs, trophies, injury history, multi-competition stats, and related news headlines. On Sportra you can explore J. Sierra season statistics, transfer history, trophies, injury updates, and related news across every competition tracked in the profile.
| Date | Type | From | To |
|---|---|---|---|
| 2024-06-30 | Free |  Club Queretaro QUE |  Mazatlán |
| 2023-06-24 | N/A |  FC Juarez | Club Queretaro QUE |
| 2023-01-05 | Free |  Toluca TOL | FC Juarez |
Season intelligence
Profile as Midfielder: finisher, high usage. Archetype: Clinical forward.
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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