Some autumn Saturdays are built for settling a score. Others find a program’s future in the grandstands, taking notes. This is the second kind, and Houston is hoping it ends in a coup. When the lights come on at TDECU Stadium, No. 20 Houston won’t just be fighting No. 18 Oklahoma State for position in the Big 12. The Cougars will be auditioning. Willie Fritz has built a team that wins by squeezing the clock and wearing opponents down, and at 6:30 p.m. CT on FOX—he gets to show the next wave of talent that bruising brand of football in person. Some of the recruits in the stands already wear…