Ja Morant put up 26 points when recording 8+ assists and his field-goal percentage was or above in his rookie season against the Rockets on January 14.

who was the last rookie with 26 points, 8 assists, and 90 fg% in a game
Interpreted as:
Who was the last rookie with 26 or more points, 8 or more assists, and 90 or higher fg% in a game?

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