Castle closed with 14 points (6-11 FG, 0-3 3Pt, 2-2 FT), six assists and three rebounds over 25 minutes during Thursday's 118-105 win over the Trail Blazers.

Castle contributed three points (1-5 FG, 1-3 3Pt, 0-2 FT) and three rebounds in 15 minutes during Saturday's 113-103 win over the Timberwolves.

Castle posted zero points (0-5 FG, 0-3 3Pt), two rebounds, one assist and one block over 20 minutes during Wednesday's 105-93 loss to Oklahoma City.

Castle will come off the bench in Thursday's regular-season opener versus the Mavericks, Jeff McDonald of the San Antonio Express-News reports.

Castle finished with 16 points (6-14 FG, 1-5 3Pt, 3-4 FT), four rebounds, three assists and two steals across 24 minutes off the bench in Thursday's 129-107 preseason loss to the Rockets.

Castle delivered 17 points (4-9 FG, 2-5 3Pt, 7-10 FT), two rebounds, four assists and two steals across 22 minutes off the bench in Wednesday's 107-97 preseason win over the Magic.

Castle suffered a right wrist sprain during Saturday's win over Portland and is out for the remainder of Summer League, Tom Orsborn of the San Antonio Express-News reports.