Russell Westbrook had 23.5 points per game when getting 7.0+ rebounds per game, recording 9.0+ assists per game and getting 2.0+ steals per game in 2015-16.

players with 23 ppg 9 apg 7 rpg 2 spg in a season
Interpreted as:
players with 23 or higher ppg 9 or higher apg 7 or higher rpg 2 or higher spg in a season
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Russell WestbrookRussell Westbrook2015-16OKCOKC8023.510.,7491,87862683416320342200+635
StatMuse has season-level data for steals per game going back to the 1973-74 season.