Avisible Man
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Iverson has never even had a season with a 54.6 true shooting percentage
We're talking playoffs and Iverson's True shooting then is irrelevant to Brunson's true shooting now due to the proliferation of the three-point shot. That's why you should look at the adjusted shooting on basketball-reference to account for the change in play of different eras.
However, Jalen Brunson's .546 true shooting percentage is 97% of the league average .563 in this year's playoffs. Allen Iverson, in his 6th season, had a .515 true shooting percentage when the league average in the playoffs that year was .514.