2025-26 Season

STEPHON CASTLE

San Antonio Spurs | Guard | 6-6

2025-26 Season

STEPHON CASTLE

San Antonio Spurs | Guard | 6-6 | Yr 1

16.7 PPG

5.3 RPG

7.4 APG

30.0 MPG

+4.7 Impact

Castle produces at an above average rate for a 30-minute workload.

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NET IMPACT BREAKDOWN

Every stat, every credit, every cost — per game average

+4.7

Scoring +14.1

Points 16.7 PPG = +11.2

Shot Making above expected FG% = +2.9

Creation +2.5

Creation 7.4 AST/g = +2.5

Turnovers -7.3

Turnovers 3.2/g = -7.3

Defense +0.3

Defense 1.1 STL, 0.3 BLK = +0.3

Hustle & Effort +4.4

Rebounds 5.3 RPG = +4.4

Raw Impact +14.0

Baseline (game-average expected) −9.3

Net Impact

+4.7

78th 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

TEAM COMPARISON

Impact

Creation

Hustle

Defense

of 13 teammates (10+ games, 10+ min)

Victor Wembanyama +23.7 De'Aaron Fox +8.0 Keldon Johnson +6.0 Devin Vassell +5.2 Stephon Castle +4.7 Julian Champagnie +3.3 Luke Kornet +2.3 Dylan Harper +1.0 Harrison Barnes +0.1 Lindy Waters III -4.1 Jeremy Sochan -4.2 Kelly Olynyk -4.7 Carter Bryant -6.5

Similar Players

Same position, closest production profile this season.

SKILL DNA

Percentile rank vs 245 Guards with 10+ games

Scoring 81th

16.7 PPG

Efficiency 72th

57.6% TS

Playmaking 97th

7.4 APG

Rebounding 92th

5.3 RPG

Defense 42th

+6.8/g

Hustle 78th

+11.7/g

Creation 97th

+6.19/g

Shot Making 63th

+7.38/g

TO Discipline 5th

0.11/min

THE SEASON SO FAR

Stephon Castle’s opening stretch was defined by a maddening tug-of-war between elite downhill playmaking and crippling perimeter inefficiency. Look no further than 12/27 vs UTA. A seemingly impressive 20-point outing masked a highly detrimental shot profile that tanked his impact score to an ugly -7.0. He repeatedly fell in love with a broken jumper, missing seven of his eight three-point attempts and completely bailing out the defense. He suffered similar hidden costs during 11/14 vs GSW, posting a dismal -7.7 impact score because a series of costly offensive fouls and rookie screen-navigation mistakes erased the value of his solid rebounding numbers. Yet, when Castle actually commits to his strengths, his ceiling is terrifying. He delivered a spectacular +13.7 impact score on 10/30 vs MIA by simply orchestrating the offense with precision and hounding ball-handlers at the point of attack. If he wants to thrive as a primary initiator, he must abandon the forced jumpers and live in the paint.

A grueling, brick-heavy offensive slump defined this twenty-game stretch for Stephon Castle before a sudden, volcanic eruption flipped the script. Even when his raw point totals looked respectable, hidden costs severely dragged down his value on the floor. During the 01/19 vs UTA matchup, Castle tallied 18 points but posted a -7.6 impact score because poor defensive positioning constantly compromised his team. Things looked even bleaker during the 01/10 vs BOS contest, where he stumbled to a dismal -10.8 impact score as sloppy ball-handling and forced drives completely tanked his offensive rhythm. He occasionally flashed his true ceiling as a floor general, specifically on 01/15 vs MIL, where masterful orchestration of the pick-and-roll yielded a stellar +12.4 impact score on just nine field goal attempts. Then came the breathtaking finale on 02/07 vs DAL. Castle erupted for 40 points, 12 rebounds, and 12 assists, generating an astronomical +25.0 impact score through an absolute masterclass in scoring efficiency and defensive lockdown.

Stephon Castle spent this twenty-game stretch riding a dizzying rollercoaster as a primary initiator, oscillating between masterful orchestration and glaring offensive passivity. When he attacked with purpose, the results were devastating, peaking on 03/12 vs DEN with a spectacular 30-point, 11-rebound, 10-assist triple-double. His relentless downhill pressure constantly collapsed the defense in that contest, generating a strong +7.2 impact score. Yet, high-volume playmaking numbers frequently masked hidden costs that tanked his overall value on other nights. During the 03/14 vs CHA matchup, he tallied 15 points and 10 assists but posted an abysmal -8.7 impact because sloppy ball security and live-ball turnovers completely undermined his vision. Defenses quickly realized they could exploit his perimeter hesitance, culminating in a disastrous -18.8 impact on 03/06 vs LAC. In that brutal outing, his complete lack of scoring gravity allowed defenders to freely trap the ball-handler and blow up offensive actions, rendering his eight assists entirely hollow.

IMPACT TIMELINE

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

Best Game

40 PTS vs DAL

Feb 07 | +40.4 impact

Worst Game

5 PTS vs NYK

Jan 01 | -20.4 impact

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: +6.0. Modest improvement — possibly settling into a rhythm.

Hot right now — 7 straight games with positive impact. Longest positive run this season: 8 games.

MATCHUP HISTORY

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.