Current competition metrics, playing time, output, chance quality, role stats, and discipline.
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Koo Ja stats for South Korea in Friendlies 2026 will cover appearances, minutes, direct output, expected metrics, passing, discipline, and role-specific metrics once the season starts.
This upcoming-season stats page keeps Koo Ja's Friendlies 2026 numbers separate from previous campaign totals, so new appearances and performance metrics can appear cleanly after the first games are played.
