Darius Ratliff is a 6-11 center from Archbishop Stepinac in White Plains, New York, and the identical twin brother of Adonis Ratliff. The sons of 16-year NBA veteran and 2001 All-Star Theo Ratliff, both twins committed to USC together on October 24, 2025, drawn by coach Eric Musselman's connection to their father from his time as an assistant with the Atlanta Hawks. In his senior season, Darius averaged 12.9 points, 10.0 rebounds, and 3.0 blocks, emerging as a fluid, mobile big man with developing perimeter range. He and his brother were both selected as McDonald's All-Americans, making Stepinac one of only a handful of programs to place three players on the roster in a single year.