Conner Weigman threw for 305 yards and a touchdown and rushed for another score, Re’Shaun Sanford II and Mekhi Hughes added rushing scores and No. 23 Houston beat Oregon State 33-20 on Saturday in the teams' season opener. Weigman completed 20 of 30 passes and tossed a 31-yard scoring pass to Amare Thomas in the first quarter. Weigman also scored on a…