Some recruits arrive at a stadium as strangers. Demetrius “DJ” Perry arrives as family.His father grew up two blocks from the University of Houston campus. His grandmother walked the same grounds as a student. For the 2028 safety out of Ellison High School in Killeen, Texas, the Cougars aren’t a distant suitor with a glossy pitch. They are a part of the family story, one that has been told at dinner tables long before a recruiting coordinator ever dialed his number. “Houston has always felt like home to me,” Perry told us. “My dad grew up just two blocks from campus, and my grandmother…