Joe Pistorese worked seven innings and WSU scattered seven hits but the effort was not enough.
Ben Roberts' two-run double highlighted a five-run, fifth inning as Washington State defeated Utah 10-3 in the Pac-12 series opener Friday at Smith's Field.
WSU has won each of its last two Pac-12 series.
WSU completes nine-game homestand with 7-2 record.
Ian Sagdal had four hits and Joe Pistorese gets his third-straight win as WSU routs San Jose State, 14-2.
Cameron Frost's sacrifice fly in the ninth provides the winning run over San Jose State.
WSU tied the game in the ninth but could not close out the win.
Cougars close out nine-game homestand with series against San Jose State.
Joe Pistorese earns Pac-12 Pitcher of the Week for third time in his career.
Cameron Frost's three-run home run highlighted WSU's 11-1 victory.
The Cougars have won five of their last seven games.
Despite Saturday's loss the Cougars won their second-straight Pac-12 series.