Ray Williams averaged 10.6 points, 5.1 assists and 2.8 rebounds in 40 games in the playoffs in his career.
| NAME | SEASON | TM | GP | MPG | PPG | RPG | APG | SPG | BPG | FGM | FGA | FG% | 3PM | 3PA | 3P% | FTM | FTA | FT% | TS% | OREB | DREB | TPG | MIN | PTS | REB | AST | STL | BLK | TOV | PF | +/- | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Williams | 1977-78 |  NYK | 6 | 23.3 | 17.5 | 2.5 | 5.2 | 1.0 | 0.0 | 6.8 | 13.0 | 52.6 | 3.8 | 4.3 | 88.5 | 58.7 | 1.0 | 1.5 | 2.8 | 140 | 105 | 15 | 31 | 6 | 0 | 17 | 25 | ||||
| 2 | | R. Williams | 1980-81 | NYK | 2 | 42.0 | 21.5 | 4.0 | 4.5 | 2.0 | 0.0 | 9.0 | 20.5 | 43.9 | 0.5 | 1.5 | 33.3 | 3.0 | 5.5 | 54.5 | 46.9 | 1.5 | 2.5 | 4.5 | 84 | 43 | 8 | 9 | 4 | 0 | 9 | 10 | |
| 3 |  | R. Williams | 1981-82 |  NJN | 2 | 38.5 | 17.0 | 6.0 | 7.0 | 2.0 | 0.0 | 7.0 | 23.5 | 29.8 | 1.0 | 2.5 | 40.0 | 2.0 | 2.5 | 80.0 | 34.6 | 4.0 | 2.0 | 3.0 | 77 | 34 | 12 | 14 | 4 | 0 | 6 | 10 | |
| 4 | | R. Williams | 1983-84 | NYK | 11 | 28.2 | 11.2 | 3.5 | 8.0 | 1.5 | 0.1 | 4.2 | 11.8 | 35.4 | 0.2 | 1.1 | 16.7 | 2.6 | 3.5 | 74.4 | 41.8 | 0.7 | 2.8 | 3.7 | 310 | 123 | 39 | 88 | 17 | 1 | 41 | 39 | |
| 5 |  | R. Williams | 1984-85 |  BOS | 19 | 14.6 | 6.3 | 1.9 | 3.2 | 0.6 | 0.1 | 2.5 | 6.1 | 40.5 | 0.1 | 0.8 | 13.3 | 1.3 | 1.3 | 96.0 | 47.2 | 0.7 | 1.2 | 1.7 | 278 | 120 | 36 | 60 | 12 | 1 | 33 | 44 | |
| Average | 8.0 | 22.2 | 10.6 | 2.8 | 5.1 | 1.1 | 0.1 | 4.2 | 10.3 | 40.3 | 0.2 | 1.0 | 20.0 | 2.2 | 2.7 | 81.1 | 46.3 | 1.0 | 1.8 | 2.7 | 177.8 | 85.0 | 22.0 | 40.4 | 8.6 | 0.4 | 21.2 | 25.6 | |||||
| Total | 40 | 22.2 | 10.6 | 2.8 | 5.1 | 1.1 | 0.1 | 4.2 | 10.3 | 40.3 | 0.2 | 1.0 | 20.0 | 2.2 | 2.7 | 81.1 | 46.3 | 1.0 | 1.8 | 2.7 | 889 | 425 | 110 | 202 | 43 | 2 | 106 | 128 |
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