B.J. Armstrong averaged 7.9 points, 2.4 assists and 1.4 rebounds in 105 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 |  | B.J. Armstrong | 1989-90 |  CHI | 16 | 13.6 | 4.0 | 1.3 | 1.8 | 0.6 | 0.0 | 1.3 | 3.9 | 33.9 | 0.0 | 0.3 | 0.0 | 1.4 | 1.5 | 91.7 | 44.1 | 0.2 | 1.1 | 0.8 | 217 | 64 | 20 | 29 | 10 | 0 | 12 | 22 | |
| 2 | | B.J. Armstrong | 1990-91 | CHI | 17 | 16.1 | 5.5 | 1.6 | 2.5 | 1.1 | 0.1 | 2.1 | 4.1 | 50.0 | 0.2 | 0.3 | 60.0 | 1.2 | 1.5 | 80.0 | 57.4 | 0.3 | 1.3 | 0.8 | 273 | 93 | 27 | 43 | 19 | 1 | 13 | 13 | |
| 3 | | B.J. Armstrong | 1991-92 | CHI | 22 | 19.7 | 7.3 | 1.1 | 2.1 | 0.6 | 0.0 | 2.9 | 6.3 | 45.3 | 0.2 | 0.8 | 29.4 | 1.4 | 1.7 | 78.9 | 51.7 | 0.1 | 1.0 | 0.8 | 434 | 161 | 24 | 47 | 14 | 0 | 18 | 33 | |
| 4 | | B.J. Armstrong | 1992-93 | CHI | 19 | 33.8 | 11.4 | 1.5 | 3.3 | 1.0 | 0.1 | 4.6 | 8.8 | 52.4 | 1.1 | 2.2 | 51.2 | 1.1 | 1.2 | 90.9 | 61.1 | 0.3 | 1.2 | 0.7 | 643 | 217 | 28 | 62 | 19 | 2 | 14 | 49 | |
| 5 | | B.J. Armstrong | 1993-94 | CHI | 10 | 36.0 | 15.3 | 2.4 | 2.5 | 0.8 | 0.0 | 5.5 | 10.6 | 51.9 | 0.7 | 1.2 | 58.3 | 3.6 | 4.4 | 81.8 | 61.0 | 0.2 | 2.2 | 0.9 | 360 | 153 | 24 | 25 | 8 | 0 | 9 | 21 | |
| 6 | | B.J. Armstrong | 1994-95 | CHI | 10 | 28.8 | 10.3 | 1.8 | 2.7 | 0.6 | 0.0 | 3.6 | 7.9 | 45.6 | 1.3 | 2.9 | 44.8 | 1.8 | 2.2 | 81.8 | 58.1 | 0.4 | 1.4 | 0.6 | 288 | 103 | 18 | 27 | 6 | 0 | 6 | 21 | |
| 7 |  | B.J. Armstrong | 1997-98 |  CHA | 9 | 16.2 | 4.1 | 1.1 | 2.0 | 0.7 | 0.0 | 1.8 | 4.7 | 38.1 | 0.2 | 0.6 | 40.0 | 0.3 | 0.4 | 75.0 | 42.3 | 0.2 | 0.9 | 0.7 | 146 | 37 | 10 | 18 | 6 | 0 | 6 | 11 | -39 |
| 8 |  | B.J. Armstrong | 1998-99 |  ORL | 2 | 1.5 | 0.0 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 3 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | +1 | ||
| Average | 13.1 | 22.5 | 7.9 | 1.4 | 2.4 | 0.8 | 0.0 | 3.0 | 6.4 | 47.1 | 0.5 | 1.1 | 45.1 | 1.4 | 1.7 | 83.2 | 55.5 | 0.2 | 1.2 | 0.8 | 295.5 | 103.5 | 18.9 | 31.5 | 10.3 | 0.4 | 9.9 | 21.4 | -19.0 | ||||
| Total | 105 | 22.5 | 7.9 | 1.4 | 2.4 | 0.8 | 0.0 | 3.0 | 6.4 | 47.1 | 0.5 | 1.1 | 45.1 | 1.4 | 1.7 | 83.2 | 55.5 | 0.2 | 1.2 | 0.8 | 2,364 | 828 | 151 | 252 | 82 | 3 | 79 | 171 | -38 |
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