Magic Johnson has averaged the most career assists per game in the NBA Finals, with 11.7 per game.

top ten assist leaders in finals history
Interpreted as:
top ten or higher assist leaders in finals history
Magic JohnsonMagic JohnsonNBA Finals5011.740.919.,04497139758410216190147
StatMuse has game-level data for assists per game going back to the 1960 Finals.

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