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.
The Cougars clinch the series victory by taking the first two games.
J.J. Hancock had a pair of extra-base hits and Ian Hamilton tied WSU's career record with his 24th save as Washington State rallied for a 3-2 victory over Washington.
Cougars victory gives WSU Head Coach Donnie Marbut his 300th career win.
WSU hosts Gonzaga before returning to Pac-12 play against Washington.
The Cougar senior receives the second weekly honor of his career.