Jeremiah Masoli threw for 116 yards and a touchdown and ran for another score before sitting out the second half in No. 16 Oregon's 52-6 victory over Washington State on Saturday night.
Ed Dickson had seven catches for 103 yards and a score for the Ducks (4-1, 2-0 Pacific-10) who won their fourth straight after a season-opening loss at Boise State.
Masoli, who was seen icing his right knee before halftime when backup Nate Costa took over, watched in warmups from the sidelines in the second half but did not appear to be seriously injured.
The Cougars (1-4, 0-3) were held to 139 yards of offense. Oregon had 505 yards.
Freshman quarterback Jeff Tuel started but completed just one of two passes in the first quarter before he was knocked out by a hard sack. He had a hip pointer and did not return.
