T.J. Warren has the most career points per game + assists per game * 2 / turnovers per game * 2 when putting up 15.0+ points per game, with 8.73.

highest all-time (pts per game + ast per game *2) / (tov per game *2), 15+ ppg
Interpreted as:
highest all-time (pts per game + ast per game *2) / (tov per game *2) by a player, 15+ ppg

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