Stephon Castle 2026–27 projection
San Antonio SpursGAge 21.9Current age in years, from his birth date.
+1.28
−0.03+2.59ImpactHow many points per 100 possessions he adds compared with an average player. 0 is average.Per 100 possessions0 = league average
Middle 80%Middle 80% of his possible Impact this season, in points per 100 possessions versus an average player. of outcomes · ±1.00Spread of his possible Impact, one standard deviation. Smaller means we are more sure.
Playing time
Est. minutesEstimated regular-season minutes, allowing for health, role and competition for playing time.
2,036
1,065–2,805Middle 80% of simulated season minutes, including health, role and competition for playing time.
GamesExpected games played, allowing for health and role, to the nearest game.
69
33–82Middle 80% of simulated games played.
Minutes a gameEstimated minutes per game played.
29.5
AvailabilityChance of playing at least 75% of estimated minutes. Includes health, role and rotation competition; not the chance of staying healthy.
77%
Small numbers under each total are the middle 80% of outcomes.
Where Impact comes from
JAYLENOur player impact rating, in points per 100 possessions versus an average player.
−0.86Our player impact rating
Expected EPMDunks & Threes’ estimate of current impact from career data, per 100 possessions versus average.
+1.88From Dunks & Threes
Impact blends two ratings: 22% JAYLEN and 78% Expected EPM, each aged forward a year.
Rating historyHis past seasons in the two ratings behind Impact, in points per 100 possessions versus an average player.
−6
−4
−2
Avg
+2
+4
24–2525–2626–27›Season by season
| Season | Age | Min | Games | JAYLEN | Exp. EPM | Actual EPM |
|---|---|---|---|---|---|---|
| 2025–26 | 20 | 2,038 | 68 | −0.55 | +2.13 | +2.81 |
| 2024–25 | 19 | 2,162 | 81 | −5.43 | −0.28 | −1.44 |
How he joinedHow the player joined his current team, from the official roster.
Drafted No. 4 in 2024
Spurs teammates
- PlayerImpactHow many points per 100 possessions he adds compared with an average player. 0 is average.MinEstimated regular-season minutes, allowing for health, role and competition for playing time.
- Victor WembanyamaF-CImpact +6.25Estimated minutes 1,992
- De'Aaron FoxGImpact +1.55Estimated minutes 1,979
- Dylan HarperGImpact +2.40Estimated minutes 1,920
- Julian ChampagnieFImpact +1.15Estimated minutes 1,864
- Devin VassellG-FImpact +0.54Estimated minutes 1,827
- Tobias HarrisFImpact +0.71Estimated minutes 1,775
- Keldon JohnsonF-GImpact −1.10Estimated minutes 1,455
- Luke KornetC-FImpact +0.30Estimated minutes 1,257
- Harrison BarnesFImpact −1.09Estimated minutes 1,164
- Carter BryantFImpact −1.58Estimated minutes 1,104
›10 more on the roster
- Tarris Reed Jr.CImpact −1.31Estimated minutes 421
- Jordan McLaughlinGImpact −1.38Estimated minutes 281
- Ja'Kobi GillespieGImpact −2.01Estimated minutes 276
- David Jones GarciaGImpact −2.02Estimated minutes 128
- Maliq BrownFImpact −1.49Estimated minutes 112
- Jayden QuaintanceFImpact −2.21Estimated minutes 51
- Taelon PeterGImpact −3.31Estimated minutes 38
- Jon ElmoreGImpact −1.63Estimated minutes 0
- Malik WilliamsCImpact −2.85Estimated minutes 0
- R.J. DavisGImpact −2.00Estimated minutes 0
Ranges assume he plays. Impact is points per 100 possessions compared with an average player (0 = average).