Sebastian Mack is a 6-foot-3, 195-pound guard whose Sebastian Mack NCAAMB profile lists him as an active junior from Chicago, Illinois, wearing No. 12. In the 2025 regular season with Missouri, he appeared in 18 games and made 9 starts, logging 295 minutes (16.4 minutes per game).
Among Sebastian Mack stats for that season, he totaled 126 points and posted a Sebastian Mack scoring average of 7.0 points per game. His shot profile included 40.7% field-goal shooting, 45.9% on two-point attempts, and 27.3% from three (9 made threes on 33 attempts), with a 67.7% free-throw mark. His true shooting percentage was 47.9%.
For rebounds, assists, steals per game, Mack averaged 1.28 rebounds, 0.6 assists, and 0.89 steals, adding 0.06 blocks per game. Ball security and playmaking metrics included 19 turnovers and an assists-to-turnover ratio of 0.58. Defensively, he recorded 16 steals and 7 blocked shot attempts across the season.
Postseason and conference-tournament lines for 2025 show no games played. No notable achievements and awards, injury history and recovery details, or national team experience are provided in the data.