What did Robert Williams III actually supply in 2019-20 for BOS?
Robert Williams III's strongest evidenced functions are event creation, interior finishing, rim protection; the weakest available areas are passing, creation, rim pressure. The profile is tied to BOS for 2019-20.
Medium Mixed Coverage305,724 observed minutes
Function profile
Directly observed offensive and defensive functions — separate readings, never a grade.
8 of 8 — complete
Career arc
Stabilized impact across governed seasons — a trend line, not a career grade. Hollow points mean evidence unavailable.
Lineup context
Exact five-player context with honest sample strength.
BOS · 2022-23Small lineup sample286 possessions
Al Horford, Marcus Smart, Jaylen Brown, Jayson Tatum, Robert Williams III produced 110.5 offense and 117.5 defense over 286 possessions (-2.6 shrunk net). All five function profiles are exact to this franchise-season.
BOS · 2022-23Small lineup sample177 possessions
Al Horford, Jaylen Brown, Jayson Tatum, Derrick White, Robert Williams III produced 116.9 offense and 86.6 defense over 177 possessions (7.9 shrunk net). All five function profiles are exact to this franchise-season.
Al Horford, Marcus Smart, Jaylen Brown, Jayson Tatum, Robert Williams III produced 118.1 offense and 97.0 defense over 1093 possessions (14.5 shrunk net). All five function profiles are exact to this franchise-season.
BOS · 2021-22Small lineup sample
Contract & salary
Season rows under the serving definition; provisional status sits beside the amount.
Body & injury history
Every governed medical episode, mapped to the body. Evidence about the player — never a team decision or a durability grade.
1Left knee+2 episode(s) without a named body part
+ InjuryillnessDec 14, 2025 → Dec 14, 2025
Injury
Acquisition history
How he arrived at each team — fit, role realization and price stay separate lanes.
withheld: falsesalary rows: 15resolved player: trueseason profiles: 8medical episodes: 3lineup rows returned: 6current acquisition signal count: 0current acquisition date unresolved count: 0actual nba minutes required for season profiles: true
+Supporting relations (7)
gb_state.frontend_player_season_basketball_v
gb_contracts.salary_resolution
gb_availability.medical_episode
gb_state.frontend_lineup_overview_v
gb_state.frontend_acquisition_review_v
gb_state.frontend_current_acquisition_signal_v
gb_state.nba_person_decision_feed_at
Creation
48
Rim pressure
48
Shooting*—
Passing
46
Screening*—
Interior finish
69
Point of attack*—
Switch coverage*—
Rim protection
65
Event creation
78
Rebounding
65
* limited evidence. A dash means the evidence was insufficient — not a zero. The radar plots only scored functions; missing axes are marked with a dash, never drawn at zero.
Performance lanes
Three separate lanes — never merged into one number.
On/Off
+0.6 net per 100
on +5.6 · off +5.0 · 919 possessions
RAPM (single season)
+0.2 per 100
1,828 possessions
Stabilized RAPM
-1.0 per 100
O -1.0 / D +0.0 · 1 season history
Season summaries are retrospective descriptions, not causal player-value estimates.
261 possessions
Marcus Smart, Jaylen Brown, Jayson Tatum, Robert Williams III, Grant Williams produced 121.0 offense and 100.4 defense over 261 possessions (7.1 shrunk net). All five function profiles are exact to this franchise-season.
BOS · 2021-22Small lineup sample189 possessions
Al Horford, Dennis Schroder, Marcus Smart, Jayson Tatum, Robert Williams III produced 93.7 offense and 108.4 defense over 189 possessions (-4.1 shrunk net). 1 player function profile(s) are full-season multi-franchise aggregates; exact lineup performance remains valid, while those function attributions are season-level and caveated.
BOS · 2020-21Small lineup sample203 possessions
Kemba Walker, Marcus Smart, Jaylen Brown, Jayson Tatum, Robert Williams III produced 120.8 offense and 121.2 defense over 203 possessions (-0.1 shrunk net). All five function profiles are exact to this franchise-season.
* hatched bars are provisional or scheduled figures, not canonically resolved cap hits.
Season
Kind
Amount
Status
2018-19
cap hit
$1.66M
provisional
2019-20
cap hit
$1.94M
provisional
2020-21
cap hit
$2.03M
provisional
2021-22
cap hit
$3.66M
canonical
2022-23
cap hit
$10.7M
provisional
2023-24
cap hit
$11.6M
provisional
2024-25
cap hit
$12.4M
provisional
2025-26
cap hit
$13.3M
provisional
+
illness
Dec 7, 2025 → back Dec 14, 2025
+ Injuryleft left knee injury managementNov 19, 2025 → back Dec 5, 2025
Marker size and count reflect governed episode volume only; a pulsing ring means an episode is open at this knowledge date. This maps evidence — it is not a durability score.