STANFORD, Calif., Oct. 31 (UPI)—Jim Plunkett, stymied in the first half today except for a 70‐yard scoring pass to Jack Lasater, broke loose in the second half with a pair of scoring throws as Stanford rolled to a 48‐10 victory over outmanned Oregon State.
The Indians were ahead by only 17‐10 at intermission as the Oregon State defense picked off two Plunkett passes and flicked away two others.
In the second half, though, Plunkett, who became the first man in history to gain more than 7,000 career yards in to tal offense, found, the range with a 9‐yard scoring pass to Bob Moore and a 12‐yarder to Reggie Sanderson to break the game open.
Plunkett left with about 10 minutes to go and finished the day with 13 completions in 26 attempts for 210 yards. The three scoring passes gave the senior a total of 12 for the year.
The victory was the Indians' fifth without a loss in the Pa cific‐8 Conference with two league games to go. It also was Stanford's seventh triumph of the year over‐all in eight games. Oregon State is 0–4 won lost in the conference and 3–5 over‐all.
Steve Horowitz, who scored all the points in last week's 9‐7 victory over U.C.L.A. added field goals of 20 and 37 yards to the Stanford total. The other Indian points came on a 37 yard run with an Intercepted pass by Jim Kauffman, a 1‐yard smash by Jim Merrill and a 13 yard run by Jim Kehl.
Oregon State scored its points Ion a 1‐yard run by Dave Schill ing and a 27‐yard field goal by Lynn Boston. Both scores came as a result of Stanford mis takes.
Plunkett hit Lasater for Stanford's initial score, midway through the opening quarter but Schilling got it back for the Beavers after Steve Murray of Stanford failed to get a kick away at the Indians' 9.
Horawitz's first field goal and Kehl's run gave Stanford 17‐7 lead late in the second quarter but then Duane De Frees recovered a fumble at the Stanford 21 and Boston converted the break into a field goal.
As things turned out, Oregon State never mounted another serious drive, while Plunkett and company .ran wild in the second half.