About Koo Ja-Cheol
1 assist and no goals in 16 games (1,170 minutes): Koo Ja-Cheol's 2023 K League 1 line — 0.08 goal involvements per 90. That season graded out at an average match rating of 6.92. By match rating he stood in the 42nd percentile of 89 K League 1 midfielders (2023, at least 450 minutes), and 66th of 89 for goals scored.
His league career on record ran from 2010 to 2024: 15 seasons across 6 clubs. No season rated higher than 2015/2016 (7.17, Bundesliga); none lower than 2022 (6.54). His final two rated seasons averaged 0.21 below his earlier career level.
By competition, the recorded league record breaks down across 3 domestic leagues: Bundesliga (206 appearances, 28 goals), Stars League (45 appearances, 6 goals) and K League 1 (28 appearances, 1 goal). In 3 of the 15 campaigns on record he played at least 25 league games. His busiest three-season stretch was 2015/2016–2017/2018: 80 league appearances, 27 a season.