BOS

2025-26 Season

RON HARPER JR.

Boston Celtics | Guard-Forward | 6-5
Ron Harper Jr.
3.8PPG
1.5RPG
0.7APG
9.8MPG
-4.4 Impact

Jr. produces at an below average rate for a 10-minute workload.

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IMPACT BREAKDOWN
Every stat, every credit, every cost — per game average
-4.4
Scoring +3.6
Points Scored 3.8 PPG = +3.8
Missed Shots difficulty-adjusted = -1.3
Shot Making above expected FG% = +1.1
Creation +0.1
Assists & Self-Creation 0.7 AST/g + self-creation = +0.1
Turnovers -0.6
Turnovers 0.2/g (live + dead blend) = -0.6
Defense +0.3
Steals 0.4/g = +0.9
Blocks 0.3/g = +0.3
Fouls + context committed fouls, matchup adj = -0.9
Hustle & Effort +1.4
Rebounds 1.5 RPG (OREB + DREB) = +0.8
Contested Shots 1.0/g = +0.2
Deflections 0.4/g = +0.3
Charges Drawn 0.0/g = +0.0
Loose Balls 0.2/g = +0.1
Screen Assists 0.1/g = +0.0
Raw Impact +4.8
Baseline (game-average expected) −9.2
Net Impact
-4.4
28th pctl vs Guards

PBP Credit: Every play is analyzed from play-by-play data. Scorers get difficulty-adjusted credit, assisters get creation value based on the shot opportunity they created, and turnovers are classified by type. Shot difficulty is derived from 1M+ shots across 4 seasons. Full methodology

SKILL DNA

Percentile rank vs 246 Guards with 10+ games

Scoring 18th
5.8 PPG
Efficiency 27th
51.0% TS
Playmaking 10th
1.1 APG
Rebounding 36th
2.5 RPG
Defense 47th
+7.1/g
Hustle 47th
+8.9/g
Creation 12th
+1.52/g
Shot Making 51th
+6.71/g
TO Discipline 95th
0.02/min

THE SEASON SO FAR

Ron Harper Jr.'s first ten appearances of the season were defined by a desperate struggle for relevance at the end of the bench, interrupted by a single, shocking flash of starter-level competence. For months, he looked completely out of rhythm in brief cameos. He bottomed out completely on 01/24 vs BKN, posting a miserable -13.1 Impact score in just seven minutes by failing to record a single counting stat and missing both of his shot attempts. Out of nowhere, he was thrust into the starting lineup on 02/04 vs HOU, and he responded by flipping the script. He logged a stellar +7.3 Impact score in 33 minutes, suddenly finding his perimeter stroke and crashing the glass for nine rebounds to create tangible value. The magic vanished instantly. Returning to the second unit on 02/11 vs CHI, his Impact score plummeted back to a brutal -10.4 as he went scoreless over 16 minutes. His severe offensive hesitance and empty possessions in that reserve role ultimately erased any goodwill earned from his lone starting opportunity.

Ron Harper Jr.'s latest ten-game stretch was a masterclass in rotational whiplash, bouncing wildly between garbage-time irrelevance and sudden offensive explosions. When thrust into the starting lineup on 02/24 vs PHX, he managed a respectable +5.2 Impact despite a brutal 3-for-10 shooting night. He justified his 30 minutes of playing time by grabbing five rebounds and grinding out the essential non-scoring dirty work that keeps a role player afloat. That goodwill vanished immediately the next night on 02/25 vs DEN. Relegated back to the bench, he chucked his way to a dismal 1-for-7 mark from deep, posting a brutal -12.6 Impact as his erratic shot selection actively stalled the offense. Just as he seemed destined to permanently ride the pine, Harper erupted out of nowhere on 03/10 vs SAS. He torched the nets for 22 points on 6-of-9 shooting from beyond the arc, generating a massive +16.5 Impact by finally pairing his aggressive trigger with lethal efficiency. To survive in this league, he desperately needs to find a reliable baseline between these chaotic extremes.

Ron Harper Jr. spent almost this entire nine-game stretch rotting at the end of the bench before erupting out of absolutely nowhere in the finale. His early appearances were brutal, perfectly captured by a 03/14 vs WAS cameo where he logged zeroes across the board in two minutes. That invisible stint resulted in a disastrous -12.9 Impact score, as he merely took up floor space and failed to generate any positive momentum. He finally found a brief rhythm on 03/29 vs CHA, hitting all three of his shots for 7 points to earn a +2.5 Impact score through sheer offensive efficiency. Still, he immediately regressed to empty minutes over the next three contests. Then came a shocking spot start on 04/12 vs ORL that flipped the script entirely. Given 37 minutes of run, Harper poured in 27 points, 7 rebounds, and 4 assists, driving a massive +26.5 Impact score by hunting his shot aggressively from deep and crashing the glass. It was a jarring shift from total irrelevance to offensive focal point, leaving onlookers wondering where that aggressive wing had been hiding.

IMPACT TIMELINE

Game-by-game performance vs average. Green = above average, red = below.

PATTERNS

Struggling. Jr. has posted negative impact in 83% of games this season. The production rarely outweighs the cost.

Streaky shooter — only cracks 45% from the field in 38% of games. Efficiency is all over the place night-to-night.

Average defender. Jr. doesn't hurt you defensively, but he's not making opponents uncomfortable either.

Slight upward trend. First-half impact: -5.5, second-half: -3.3. Modest improvement — possibly settling into a rhythm.

In a rough stretch — 6 straight games with negative impact. Longest cold streak this season: 7 games.

MATCHUP HISTORY ⚠ Updated 46 days ago

Based on 39 games with tracking data. Shows who guarded this player on offense and who he guarded on defense, with their shooting stats in those matchups.

ON OFFENSE: WHO GUARDED HIM

His shooting stats against each primary defender this season

K. Durant 24.4 poss
FG% 66.7%
3P% 66.7%
PPP 0.25
PTS 6
D. Vassell 17.2 poss
FG% 100.0%
3P% 0.0%
PPP 0.12
PTS 2
C. Gillespie 14.8 poss
FG% 33.3%
3P% 100.0%
PPP 0.2
PTS 3
J. Brunson 14.5 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0
J. Green 11.3 poss
FG% 100.0%
3P% 0.0%
PPP 0.18
PTS 2
J. Champagnie 11.0 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0
J. Davison 10.8 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0
J. Smith Jr. 10.2 poss
FG% 66.7%
3P% 50.0%
PPP 0.49
PTS 5
P. Nance 9.7 poss
FG% 100.0%
3P% 100.0%
PPP 0.31
PTS 3
D. Harper 8.8 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0

ON DEFENSE: WHO HE GUARDED

How opponents shot when he was the primary defender. Lower FG% = better defense.

K. Durant 25.7 poss
FG% 20.0%
3P% 0.0%
PPP 0.08
PTS 2
D. Fox 16.8 poss
FG% 100.0%
3P% 0.0%
PPP 0.24
PTS 4
D. Vassell 15.8 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0
C. Gillespie 13.9 poss
FG% 25.0%
3P% 0.0%
PPP 0.14
PTS 2
J. Champagnie 12.3 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0
J. Brunson 10.5 poss
FG% 33.3%
3P% 0.0%
PPP 0.19
PTS 2
T. Eason 10.4 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0
I. Joe 9.3 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0
D. Harper 8.9 poss
FG% 100.0%
3P% 0.0%
PPP 0.22
PTS 2
A. Coffey 8.6 poss
FG% 0.0%
3P% 0.0%
PPP 0.0
PTS 0

SEASON STATS

35
Games
3.8
PPG
1.5
RPG
0.7
APG
0.4
SPG
0.3
BPG
42.0
FG%
36.0
3P%
75.0
FT%
9.8
MPG

GAME LOG

35 games played