About William
William Mason Jr is a in the 2031 class.
Mason Jr attends in Missouri.
Mason Jr's Player Profile was created on February 17, 2026.
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Expert Analysis
Jack Pfeiffer | Prep Hoops Scout
William was the top player I saw in 13U this weekend, leading his team to an undefeated weekend and the tournament championship. He was the biggest player on the floor, as no player could match his strength and physicality inside. He grabbed a number of contested offensive boards and was going up strong for putback baskets. Mason also showed he is a great passer and can even handle the ball to create for his team.
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