Ernie Grunfeld averaged 8.9 points, 2.9 assists and 2.2 rebounds in 42 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 |  | E. Grunfeld | 1977-78 |  MIL | 7 | 11.0 | 5.4 | 1.6 | 2.4 | 0.4 | 0.1 | 2.4 | 4.6 | 53.1 | 0.6 | 0.7 | 80.0 | 55.6 | 0.6 | 1.0 | 1.0 | 77 | 38 | 11 | 17 | 3 | 1 | 7 | 6 | ||||
| 2 |  | E. Grunfeld | 1979-80 |  KCK | 3 | 10.7 | 3.7 | 0.3 | 0.0 | 0.3 | 0.0 | 1.7 | 3.0 | 55.6 | 0.0 | 0.0 | 0.3 | 1.0 | 33.3 | 53.3 | 0.3 | 0.0 | 0.0 | 32 | 11 | 1 | 0 | 1 | 0 | 0 | 3 | ||
| 3 | | E. Grunfeld | 1980-81 | KCK | 15 | 42.2 | 16.8 | 4.2 | 5.9 | 2.0 | 0.6 | 6.5 | 13.4 | 48.8 | 0.1 | 0.3 | 50.0 | 3.6 | 4.5 | 80.6 | 54.7 | 0.7 | 3.5 | 2.9 | 633 | 252 | 63 | 88 | 30 | 9 | 43 | 51 | |
| 4 |  | E. Grunfeld | 1982-83 |  NYK | 6 | 19.7 | 8.0 | 1.3 | 1.7 | 1.2 | 0.3 | 2.5 | 5.7 | 44.1 | 0.0 | 0.0 | 3.0 | 3.2 | 94.7 | 56.7 | 0.3 | 1.0 | 1.5 | 118 | 48 | 8 | 10 | 7 | 2 | 9 | 17 | ||
| 5 | | E. Grunfeld | 1983-84 | NYK | 11 | 7.6 | 2.4 | 0.8 | 0.5 | 0.2 | 0.0 | 1.0 | 2.1 | 47.8 | 0.0 | 0.0 | 0.4 | 0.4 | 100.0 | 52.5 | 0.1 | 0.7 | 0.4 | 84 | 26 | 9 | 6 | 2 | 0 | 4 | 12 | ||
| Average | 8.4 | 22.5 | 8.9 | 2.2 | 2.9 | 1.0 | 0.3 | 3.5 | 7.1 | 48.8 | 0.1 | 0.1 | 50.0 | 1.9 | 2.3 | 82.7 | 54.8 | 0.5 | 1.7 | 1.5 | 188.8 | 75.0 | 18.4 | 24.2 | 8.6 | 2.4 | 12.6 | 17.8 | |||||
| Total | 42 | 22.5 | 8.9 | 2.2 | 2.9 | 1.0 | 0.3 | 3.5 | 7.1 | 48.8 | 0.1 | 0.1 | 50.0 | 1.9 | 2.3 | 82.7 | 54.8 | 0.5 | 1.7 | 1.5 | 944 | 375 | 92 | 121 | 43 | 12 | 63 | 89 |
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