Freshman Bennedict Mathurin scored a season-high 31 points as Arizona cruised to a 98-64 win over Oregon State on Thursday in Corvallis, Ore.Arizona scored the first 15 points of the game and never trailed.Mathurin, who made 10 of 12 shots from the field, topped his previous best of 24 points at Washington State in a double-overtime game on Jan. 2. He also had eight rebounds Thursday and made 6 of 7 shots from 3-point range.Arizona’s Jordan Brown, a transfer from Nevada, also made 10 of 12 field-goal attempts and finished with 25 points. Azuolas Tubelis added 15 points and five rebounds for the Wildcats (10-3, 4-3 Pac-12).Brown, Mathurin and Tubelis outscored Oregon State on their own. They combined to make 26 of 35 (74.3 percent) shots from the field compared to the Beavers’ 25 of 61 mark (41 percent) as a team.Arizona bounced back after getting swept at home last weekend by Southern California and UCLA.The Wildcats also played their first game without guard Jemarl Baker Jr., their second-leading scorer at 12 points per game who broke his wrist last week and is out for the season.Oregon State (5-5, 1-3) played its first game since Jan. 4 after missing last week’s games at Colorado and Utah because of positive COVID-19 tests within the program. The Beavers finally had a practice as a team on Tuesday, their first in eight days.Ethan Thompson led Oregon State with 13 points, Jarod Lucas had 12 and Gianni Hunt finished with 10.