Seven rookies, age 21 or younger, have cleared 16 points, seven rebounds, two assists and one block per 36 minutes through the previous 20 seasons: DeMarcus Cousins, Tim Duncan, Pau Gasol, Nikola Jokic, Lamar Odom, Paul Pierce and Karl-Anthony Towns. Tatum, a 6'8" combo wing, is on pace to become the eighth.