Jack Stack Award MPSF/Delfina Player of the Week Week Of 9/11/2023 Sport Men's Water Polo School Austin College Year Sophomore Position Hometown Concord, CA High School Austin College sophomore Jack Stack recorded six goals for the week, two each vs. D-I UCSB, D-II Biola, and top-ranked D-III Redlands, as the ‘Roos kicked-off their 2023 season in Southern California (Sept. 9-10).