Elias Harris scored a season-high 22 points, including 16 in the first half, as host Gonzaga routed Oklahoma State 73-52 on Friday for its fourth straight victory.

Robert Sacre had 16 points and 15 rebounds for the Bulldogs (9-5), who improved to 4-0 against the Cowboys and led by as many as 23 points in the second half.

Marshall Moses scored 17 points, including 12 in the first half for the Cowboys (11-2), who shot 36.2 percent from the field and 35.7 from the free throw line.

Keiton Page and Ray Penn had averaged a combined 24.7 points and were 38 of 103 from 3-point range, but combined for nine points, including 2 for 7 on 3-pointers for the Oklahoma State.

Steven Gray, Gonzaga's leading scorer at 14.2 points entering the game, has been slowed with a back injury, and finished with 10 points and four assists.

Mangisto Arop scored all seven of his points and had seven rebounds in the first half as Gonzaga led 40-26 at the break. He finished with 10 rebounds as the Bulldogs outrebounded the Cowboys 43-30.