Freshman Jaron-Keawe Sagapolutele threw for three touchdowns to lead California to a 34-15 victory over Oregon State on Saturday in Corvallis, Ore.It was the season opener for both teams.Sagapolutele, who completed 20 of 30 passes for 224 yards, was the first Bears’ quarterback to start a season opener as a true freshman since Jared Goff in 2013.Goff threw for 450 yards and two touchdowns in his debut, a 44-30 setback to Northwestern. He went on to become the top overall pick in the 2016 NFL Draft.Trond Grizzell recorded five catches for 83 yards and a touchdown. Mason Mini and tight end Landon Morris also reeled in a scoring strike for Cal.Duke transfer Maalik Murphy completed 21 of 33 passes for 244 yards with an interception for the Beavers. He also rushed for a touchdown and Trent Walker had nine catches for 136 yards.The Bears limited Oregon State’s rushing attack to just 65 yards on 27 carries.Cal got the early jump on its former Pac-12 rival as Sagapolutele connected with Grizzell on a 35-yard reception on an opening drive. Sagapolutele found Mini three plays later for a 19-yard touchdown pass to open the scoring.