Answered May 30th, 2019

Fred VanVleet had 15 points off the bench in Game 1 - tied for the second-most against the Kerr-led Warriors in the NBA Finals.

Who was the last player with 15 points off the bench in an NBA Finals game against the Warriors?
Interpreted as:
Who was the last player with 15 or more points off the bench in an NBA Finals game against the Warriors?