The No. 4 pick in the 2024 NBA Draft, Castle is coming off his Rookie of the Year campaign. The first few months of his debut season were up and down, but he gained his stride in January. After De'Aaron Fox underwent season-ending surgery in March, Castle took on a starting job. With both Fox and Victor Wembanyama out due to a blood clot issue, the rookie became the team's lead playmaker. During his final 18 appearances, the UConn product averaged 19.1 points and 1.3 threes on 44/29/75 shooting, 6.2 assists, 5.4 rebounds and 1.4 combined steals-plus-blocks in 30.9 minutes. Shooting efficiency from anywhere outside of the paint was an issue for Castle, but he got to the rim often, and he managed an impressive 5.7 free-throw attempts per 36 minutes. Improving his shooting efficiency and making a bigger defensive impact will be key this season. Fox will be back, and the Spurs added No. 2 overall pick Dylan Harper to the equation. Castle may handle the ball less than he did last season, especially compared to March and April. Optimists can certainly take Castle inside the top 100, hoping for general improvement, but heavy usage and minutes will not be available to the combo guard by default. Read Past Outlooks
$Signed a two-year, $18.67 million contract with the Spurs in July of 2024. Spurs exercised $10.02 million team option for 2026-27 in October of 2025.
Personal Bio/PreCareer Summary
Castle went to Newton High School in Covington, GA where he averaged 20.1 points, 9.5 rebounds, 4.8 assists, 3.0 steals and 2.0 blocks in his senior year, and was selected to play in the 2023 McDonald's All-American game. He impressed scouts enough to be upgraded from a four-star recruit to a five-star recruit. Castle also played at the 2022 FIBA Under-18 Americas Championship for USA's under-18 basketball team, averaging 5.5 points and 2.2 rebounds en route to winning a gold medal. At UConn, Castle was named Big East Freshman of the Year behind averages of 11.1 points, 4.7 rebounds and 2.9 assists in 27.0 minutes. The Huskies won the 2024 NCAA Tournament where Castle scored a combined 36 points, 10 rebounds, five assists and two steals in the final two games of the tournament. A sturdy 6-foot-6 guard/wing, Castle can use his physicality and change of pace to create offensive advantages and finish at the rim. He's shown a nice passing ability, and he's a tough defender. However, his shooting is a project. Castle went 20-for-75 (27%) from deep, and his 83-for-110 (76%) efficiency from the charity stripe is acceptable. Defenses routinely played far off him, daring him to launch from deep. Castle's ultimate ceiling will depend greatly on his ability to develop a perimeter shot. Ideally, he could go to a system using a floor-spacing five to minimize his weakness in that area. Overall, Castle should be able to impact the game physically on both ends of the floor, getting his teammates involved on offense and tiring out the opposing team's best guard/wing on the other end. Castle's all-around skillset combined with a poor jumper is reminiscent of the Thompson twins in last year's draft, but he's not as elite of an athlete as Amen and Ausar.
ANALYSIS Castle hasn't played since Nov. 16, and per Mike Finger of the San Antonio Express-News, the second-year guard isn't traveling with the team during the Spurs' current road trip, which ends next Wednesday in Los Angeles. While it's possible Castle joins the Spurs eventually, fantasy managers shouldn't hold their breath, especially with the way San Antonio continues to win games without Castle and Victor Wembanyama (calf).
2024 NBA Per Game Split Stats - Starting/Off Bench
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2024 NBA Per Game Split Stats - Days Rest
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2025
2024
Stat Review
How does Stephon Castle compare to other players?
This section compares his stats with all players from the previous three seasons (minimum 200 minutes played)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
True Shooting %
An advanced statistic that measures a player's efficiency at shooting the ball that takes field goal percentage, free throw percentage, and three point percentage into account.
Effective Field Goal %
A statistic that adjusts field goal percentage to account for the fact that three-point field goals count for three points while field goals only count for two points.
3-Point Attempt Rate
Percentage of field goal attempts from three point range.
Free Throw Rate
Number of free throw attempts per field goal attempt.
Offensive Rebound %
An estimate of the percentage of available offensive rebounds a player grabbed while they were on the floor.
Defensive Rebound %
An estimate of the percentage of available defensive rebounds a player grabbed while they were on the floor.
Total Rebound %
An estimate of the percentage of available rebounds a player grabbed while they were on the floor.
Assist %
An estimate of the percentage of teammate field goals a player assisted while they were on the floor.
Steal %
An estimate of the percentage of opponent possessions that end with a steal by the player while they were on the floor.
Block %
An estimate of the percentage of opponent two-point field goal attempts blocked by the player while they were on the floor.
Turnover %
An estimate of turnovers committed per 100 plays.
Usage %
An estimate of the percentage of team plays used by a player while they were on the floor.
Fantasy Points Per Game
NBA Fantasy Points Per Game.
Fantasy Points Per Minute
NBA Fantasy Points Per Minute.
True Shooting %
58.5%
Effective Field Goal %
53.5%
3-Point Attempt Rate
32.3%
Free Throw Rate
54.8%
Offensive Rebound %
5.5%
Defensive Rebound %
14.9%
Total Rebound %
10.2%
Assist %
33.8%
Steal %
2.3%
Block %
1.1%
Turnover %
15.1%
Usage %
24.9%
Fantasy Points Per Game
37.9
Fantasy Points Per Minute
1.2
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Total
Per Game
Per 36
NBA Historical Fantasy Stats
How are these ratings calculated?
Our historical fantasy ratings are standard scores calculated using 8-Category settings with 12 teams and 13 players per team.
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NBA Per Game Historical Fantasy Stats
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NBA Per 36 Historical Fantasy Stats
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Historical ADP
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Spurs Depth Chart
Our full team depth charts are reserved for RotoWire subscribers.
Average Fantasy Points are determined when Stephon Castle was active vs. non-active during the season. Click here to view average fantasy points for a different time period.
Minutes
FanDuel
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Yahoo
FantasyDraft
Head2Head
Sorare
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More Fantasy News
Won't travel with team
GSan Antonio Spurs
Hip
December 2, 2025
Head coach Mitch Johnson said that Castle (hip), who has already been ruled out for Tuesday's game against the Grizzlies, won't travel with the team for Wednesday's matchup with Orlando, Mike Finger of the San Antonio Express-News reports.
ANALYSIS Subscribe now to instantly reveal our take on this news.
ANALYSIS Sidery reports this in the context of the Spurs being linked to a Giannis Antetokounmpo trade. Castle hasn't played since Nov. 16 due to a hip injury, but he was playing really well prior to going down -- across 13 regular-season appearances, Castle produced averages of 17.2 points, 7.6 assists and 5.8 rebounds on 49.4 percent shooting from the field.