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Mark Williams

Phoenix Suns
Number #15
Position C
Age 24
Height 7-1
Weight 240LBS
Wingspan 90.5
Draft 2022 R1 Pick 15
Nationality USA
Born Dec 16, 2001
College / Team Duke

Key Insights

2025-26
His efficiency falls away when Jalen Green is on the floor
Jalen Green

He shoots 56.0% true shooting beside Jalen Green, against 70.1% without him.

85 attempts together, 349 apart. 95th percentile of 4366 true-shooting shifts among qualifying pairs, 2025.
Collin Gillespie creates his shots for him instead of him making them
Collin Gillespie

75% of his makes are assisted with Collin Gillespie out there, against 61% without him.

135 makes together, 142 apart. 97th percentile of 4018 assisted-rate shifts among qualifying pairs, 2025.
This group is where his defence actually shows up

With Devin Booker, Royce O'Neale, Grayson Allen and Ryan Dunn, that five allows just 94.9 points per 100 possessions.

156 defensive possessions, 74 minutes, forces turnovers and walls off the paint. 89th percentile of qualifying 5-man defenses, 2025.
Something goes wrong when he and Ryan Dunn share the floor
Ryan Dunn

Phoenix Suns are 7.9 points per 100 possessions worse with him and Ryan Dunn on the floor together than when that pair sits.

-6.6 net rating together vs +1.3 apart, over 332 shared minutes. 70th percentile of 1864 qualifying duos, 2025 (both players rotation regulars).
Dillon Brooks takes the rebounds he would otherwise be getting
Dillon Brooks

He pulls down 11.4 rebounds per 75 possessions next to Dillon Brooks, against 14.0 without him.

2156 possessions together, 772 apart. 98th percentile of 4366 rebound-rate shifts among qualifying pairs, 2025.
Put him out with Devin Booker and Collin Gillespie and the team takes off

With Devin Booker and Collin Gillespie, Phoenix Suns are 9.5 points per 100 possessions better than when that trio is off the floor.

+9.1 net together vs -0.4 apart, 401 shared minutes. 83rd percentile of 2805 qualifying trios, 2025 (all three rotation regulars).

All Lineup Combinations
Combine & Bio Data
DOB Dec 16, 2001
Birth Country USA
Draft 2022 (R1 / P15)
College Duke
Wingspan 90.5
Standing Reach 117.0
Hand Length 9.0