Some recruits wander into a college stadium the way tourists shuffle through a cathedral—craning their necks, whispering at the architecture, just happy to buy the postcard. Denim Steed is not that kind of visitor. When the 2028 cornerback from Stafford High School steps into TDECU Stadium this Saturday, he won't need a map. He already knows where the tunnel is. He knows the exact decibel level when the stadium lights snap on and the Cougars start playing keep-away with the clock. But Saturday night is different. When No. 20 Houston hosts No. 18 Oklahoma State (6:30 p.m. CT, FOX), it brings…