Overview
- Castle elevated his game in the 2025-26 season, averaging roughly 16–17 points, about 7 assists, and just over 5 rebounds per game while logging a central playmaking role for the Spurs.
- San Antonio rode its young core of Castle, Dylan Harper and Victor Wembanyama to the 2026 NBA Finals, where the Spurs lost in five games but gained experience that the team calls a blueprint for improvement.
- Charles Barkley publicly compared Castle and Harper to Stephen Curry and Klay Thompson, a media-fueled claim that has increased public expectations while reporters stress it is a forward-looking comparison rather than proof of parity.
- Castle’s value is rooted in elite perimeter defense and improving offensive efficiency, and he has said playoff basketball demands intense, repetitive scouting and attention to detail.
- A tangible constraint on Castle’s upside is a below-average three-point mark near 33 percent, which the Spurs see as a specific offseason development target with direct implications for lineup construction and title hopes.