Darius Acuff Jr. doesn’t have too many vivid memories from when he was really young—we’re talking 2 or 3 years old. But he does remember running around the ACC’s gym that sat just down the street from his childhood home in Detroit while his older cousin’s team tried to practice. All of his memories with the game began in that gym with striped royal blue walls. Since 2003, the father of Darius’ uncle Rashad has taken care of that very gym. Known…