Stephon Castle Looks Like A Spurs Cornerstone But One Debate Remains

Stephon Castle has proven to be a standout performer for the Spurs, but can he resolve his turnover challenges to become their definitive second option next season?

Stephon Castle didn’t just hold his own in year two - he looked like a player San Antonio can build around for a long time.

The reigning Rookie of the Year kept climbing for the Spurs this season, giving them a real two-way force in the backcourt to pair with Victor Wembanyama up front. Castle’s impact showed up in every corner of the game: he brought scoring, playmaking and defensive energy while taking on a bigger role for a team pushing toward the upper tier of the league.

Across 68 regular-season games, Castle started all but one and put up nearly 17 points, five rebounds and seven assists per night. That production only grew once the postseason arrived.

He started all 23 Spurs games on their run to the NBA Finals, bumped his scoring average to more than 18 points and otherwise kept his numbers largely steady. Along the way, he also had multiple games where he took over.

The scoring and creation are already there. The next step is tightening the screws.

Castle’s biggest issue so far is control with the ball. He can pass and create shots, but his handle still needs work, and the turnover numbers reflect that. In the regular season, he gave it away more than 200 times, about 40 more than he did as a rookie.

Even with De’Aaron Fox and Dylan Harper giving San Antonio options at point guard, the Spurs would benefit from Castle becoming more secure with the ball. Cutting down on turnovers alone would make a difference for a team trying to keep climbing deep into the calendar.

Still, Castle has shown a level of poise that stands out for a second-year starter. He’s already a major piece for San Antonio, and if this trajectory holds, he’s going to matter well beyond the Spurs.

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