SAS

2025-26 Season

STEPHON CASTLE

San Antonio Spurs | Guard | 6-6
Stephon Castle
17.0PPG
5.2RPG
7.3APG
30.6MPG
+4.4 Impact

Castle produces at an above average rate for a 31-minute workload.

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IMPACT BREAKDOWN
Every stat, every credit, every cost — per game average
+4.4
Scoring +14.5
Points Scored 17.0 PPG = +17.0
Missed Shots difficulty-adjusted = -5.5
Shot Making above expected FG% = +3.0
Creation +2.5
Assists & Self-Creation 7.3 AST/g + self-creation = +2.5
Turnovers -7.8
Turnovers 3.4/g (live + dead blend) = -7.8
Defense +0.3
Steals 1.1/g = +2.5
Blocks 0.3/g = +0.3
Fouls + context committed fouls, matchup adj = -2.5
Hustle & Effort +4.3
Rebounds 5.2 RPG (OREB + DREB) = +2.0
Contested Shots 3.5/g = +0.7
Deflections 1.9/g = +1.2
Charges Drawn 0.0/g = +0.0
Loose Balls 0.4/g = +0.3
Screen Assists 0.4/g = +0.1
Raw Impact +13.8
Baseline (game-average expected) −9.4
Net Impact
+4.4
77th 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 83th
17.0 PPG
Efficiency 72th
57.3% TS
Playmaking 97th
7.3 APG
Rebounding 91th
5.2 RPG
Defense 41th
+6.8/g
Hustle 77th
+11.7/g
Creation 97th
+6.19/g
Shot Making 62th
+7.38/g
TO Discipline 4th
0.11/min

THE SEASON SO FAR

Stephon Castle spent the first quarter of the season transforming into a high-octane offensive engine, though his erratic efficiency occasionally sabotaged his brilliant playmaking. When his jumper was falling, he looked utterly unstoppable. He peaked on 11/03 vs PHX with a hyper-efficient 26-point, seven-rebound masterclass that yielded a massive +24.8 Impact score. Yet, poor shot selection often dragged down his overall value even when his raw counting stats looked solid. During the 10/24 vs NOP matchup, Castle tallied a respectable 16 points, six boards, and six assists, but his forced attempts on a clunky 5-for-12 shooting night resulted in a brutal -15.6 Impact mark. Conversely, he occasionally found ways to tilt the floor without needing to dominate the scoreboard. Look no further than 11/15 vs GSW, where he logged a modest 13 points but still managed a +2.1 Impact score by crashing the glass for nine rebounds and keeping the offense flowing with six assists. He is a thrilling talent, but smoothing out those wild efficiency swings will dictate his ultimate ceiling.

Stephon Castle’s midseason stretch was defined by erratic shot selection that slowly gave way to absolute playmaking dominance. His scoring totals rarely told the whole story. During the 01/18 vs MIN matchup, he scored a meager 8 points on 2-of-8 shooting, yet earned a +1.3 Impact score because his nine assists and relentless perimeter hustle kept the offense humming. Conversely, his box score numbers sometimes masked deeper flaws on the floor. He dropped a highly efficient 18 points on 5-of-9 shooting in the 01/19 vs UTA contest, but a -1.4 Impact score revealed the hidden costs of defensive lapses and empty possessions that quietly dragged the team down. Everything finally clicked during a historic 02/07 vs DAL performance where he erupted for 40 points, 12 rebounds, and 12 assists. That staggering +40.4 Impact score was the direct result of flawless shot selection and suffocating two-way effort, revealing exactly the kind of superstar engine he can become when he stops getting in his own way.

Stephon Castle spent the late winter transforming from a raw combo guard into a full-blown offensive engine. His absolute peak arrived on 03/12 vs DEN, where he erupted for 30 points, 11 rebounds, and 10 assists to earn a massive +19.2 Impact score. That dominant mark stemmed from relentless rim pressure and elite rebounding that completely broke Denver's defensive shell. Yet, raw numbers occasionally masked severe hidden costs. Despite stuffing the stat sheet with 15 points and 10 assists on 03/14 vs CHA, Castle posted a dismal -5.6 Impact score because his box-score production was hollowed out by poor transition defense and sloppy decision-making. Conversely, he learned how to tilt games without forcing his own offense. During the 03/01 vs NYK matchup, he scored just 13 points but generated a stellar +8.6 Impact score by diving for loose balls and suffocating his primary assignment on the perimeter. He is finally figuring out how to manipulate the entire floor.

IMPACT TIMELINE

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

PATTERNS

Volatile for his role. Castle has noticeable ups and downs, with scoring moving ~6 points between games.

Middle-of-the-road efficiency — shoots 45%+ from the field in 56% of games. Not automatic, but not a problem either.

Good defender on his best nights, but it comes and goes. Some games Castle locks in defensively, others he gets picked apart.

Slight upward trend. First-half impact: +3.3, second-half: +5.6. Modest improvement — possibly settling into a rhythm.

Tends to go on runs. Longest hot streak: 11 games. Longest cold streak: 2 games.

MATCHUP HISTORY ⚠ Updated 46 days ago

Based on 65 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

T. Murphy III 67.5 poss
FG% 33.3%
3P% 50.0%
PPP 0.09
PTS 6
K. Leonard 64.8 poss
FG% 50.0%
3P% 40.0%
PPP 0.17
PTS 11
A. Thompson 61.3 poss
FG% 30.0%
3P% 0.0%
PPP 0.15
PTS 9
J. Williams 52.9 poss
FG% 80.0%
3P% 100.0%
PPP 0.25
PTS 13
K. George 51.3 poss
FG% 22.2%
3P% 0.0%
PPP 0.12
PTS 6
J. Smith Jr. 50.6 poss
FG% 66.7%
3P% 100.0%
PPP 0.3
PTS 15
M. Smart 44.8 poss
FG% 25.0%
3P% 0.0%
PPP 0.07
PTS 3
FG% 60.0%
3P% 75.0%
PPP 0.37
PTS 16
J. Fears 43.3 poss
FG% 44.4%
3P% 0.0%
PPP 0.18
PTS 8
D. DiVincenzo 43.2 poss
FG% 16.7%
3P% 0.0%
PPP 0.05
PTS 2

ON DEFENSE: WHO HE GUARDED

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

FG% 31.6%
3P% 20.0%
PPP 0.22
PTS 24
K. George 102.1 poss
FG% 45.5%
3P% 50.0%
PPP 0.17
PTS 17
L. Dončić 97.3 poss
FG% 38.1%
3P% 28.6%
PPP 0.23
PTS 22
C. Cunningham 88.4 poss
FG% 25.9%
3P% 28.6%
PPP 0.19
PTS 17
A. Thompson 80.4 poss
FG% 44.4%
3P% 100.0%
PPP 0.14
PTS 11
K. Leonard 67.3 poss
FG% 70.0%
3P% 80.0%
PPP 0.3
PTS 20
K. Durant 63.4 poss
FG% 58.3%
3P% 50.0%
PPP 0.32
PTS 20
C. Flagg 59.7 poss
FG% 41.7%
3P% 50.0%
PPP 0.22
PTS 13
T. Murphy III 50.0 poss
FG% 75.0%
3P% 50.0%
PPP 0.58
PTS 29
D. Booker 49.6 poss
FG% 22.2%
3P% 0.0%
PPP 0.14
PTS 7

SEASON STATS

80
Games
17.0
PPG
5.2
RPG
7.3
APG
1.1
SPG
0.3
BPG
47.1
FG%
33.4
3P%
74.6
FT%
30.6
MPG

GAME LOG

80 games played