Jan van Breda Kolff played 9 seasons (1975–1983) for Denver (ABA), Kentucky (ABA), Virginia (ABA) and NJ. Mountain Arc career, peaking in 1979.
Sport-specific career totals from the active profile tables, with VAL shown whenever the sport has a value file.
How often Jan van Breda Kolff led or placed top-ten on a NBA season board, and the shape of the career — computed from the same per-season boards the year pages publish, so every number is checkable.
Career arc
Mountain Arc
The classic build → peak → decline arc — rose to a dominant peak, then faded. Peak 1979, 7 rated seasons.
Career boards only, within NBA · corpus from 2002
Cross-sport prominence: 71.1th percentile among NBA careers — a within-sport percentile, because career value is not comparable across sports.
NBA Career Arc TypesNBA Career Dominance — top-25 in multiple all-time categoriesNBA Clutch Delta — Who Rises in the PlayoffsNBA Compilers vs Comets — Career ShapeNBA Era-Adjusted Seasons — Greatest Seasons in Modern TermsNBA Franchise Mt. Rushmores — Four Faces of Every TeamNBA Only Club — Statistical ExclusivityNBA Rarest Seasons — Statistical RarityNBA VAL Leaders — Value Above LeagueCareer TwinsCross-Sport Era-Adjusted Careers — The Greatest Careers, One AxisCross-Sport Era-Adjusted Seasons — The Greatest Years, One Axis
Players whose careers had the same shape — total value, peak, best three-season stretch, length and when the value came — measured with VAL against their own leagues.
Box scores, rosters, and draft data (2002+) come from sportsdataverse's hoopR release. College, international, and pre-2002 per-game rows are backfilled additively from Wikipedia.
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This article's career table combines ABA and NBA seasons as published by Wikipedia; league-by-league splits are not fabricated. Career line as published (may span both leagues).
Gave the Brooklyn Nets an entire corpus-attributed career — 7 seasons (1977–1983), one crest. The rarest loyalty in the sport.