Cooper Flagg assists prop 5.5 at BOS
Cooper Flagg, F for DAL, next plays at BOS on Sun, Nov 15, 6:00 pm ET.
The line
The books' line: 5.5 assists. 4 books are quoting it.
Our projection
Our projection: 4.5 assists, give or take 2.3; our chance of the over 31%; our own line 4.5.
- 33.9 minutes projected, starting
- team scoring -7% per possession
- lineup not confirmed
Our lean
No lean at 5.5: our chance of the under 57%, the books' 56%. Model and recent form disagree.
How he has done against 5.5
- Last 5: over in 3 of 5, average 6.6
- Last 10: over in 7 of 10, average 6.9
- Last 20: over in 10 of 20, average 5.3
- This season: over in 8 of 12, average 6.4
Defence vs position
BOS vs all players: neutral, 25.1 assists allowed a game, 20 of 30.
Splits
- November: over 57%, average 6.3 in 7 games
- Home: over 100%, average 7.5 in 6 games
- Away: over 33%, average 5.3 in 6 games
- Away (next game): over 33%, average 5.3 in 6 games
- Back-to-back: over 100%, average 6 in 1 game
- Rested: over 70%, average 6.9 in 10 games
- vs BOS: over 100%, average 6 in 2 games
Game log
| Date | Opponent | assists | Result |
|---|---|---|---|
| 2026-11-14 | at CLE | 5 | under |
| 2026-11-12 | at MIN | 3 | under |
| 2026-11-09 | vs IND | 6 | over |
| 2026-11-08 | vs BKN | 12 | over |
| 2026-11-06 | vs UTA | 7 | over |
| 2026-11-04 | at SAS | 5 | under |
| 2026-11-02 | vs SAC | 6 | over |
| 2026-10-30 | vs HOU | 6 | over |
| 2026-10-28 | vs OKC | 8 | over |
| 2026-10-26 | at MIA | 11 | over |
More Cooper Flagg props
- Cooper Flagg points (our line 21.5)
- Cooper Flagg rebounds (our line 6.5)
- Cooper Flagg threes made (our line 1.5)
- Cooper Flagg pts + reb + ast (our line 33.5)
- Cooper Flagg pts + reb (our line 28.5)
- Cooper Flagg pts + ast (our line 26.5)
- Cooper Flagg reb + ast (our line 11.5)
- Cooper Flagg steals (our line 1.5)
- Cooper Flagg blocks (our line 0.5)
- Cooper Flagg turnovers (our line 2.5)
Cooper Flagg player page · Every NBA player prop today
Quick answers
What is Cooper Flagg's assists line at BOS?
The books' line is 5.5 assists, from 4 books. We project 4.5 and give the over 31%.
How often has Cooper Flagg gone over 5.5 assists?
Over in 7 of 10 of his last 10 games and 8 of 12 this season, averaging 6.9 over his last 10.
Do you lean over or under on Cooper Flagg assists?
No lean: our read sits close to the books' 44% for the over.
Is BOS a good matchup for Cooper Flagg?
Neutral: BOS allow 25.1 assists a game to all players, 20 of 30 (1 allows the most).
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