Series begins, Thursday in Eugene.
Yale Rosen hits three-run homer.
Cougar southpaw tossed a complete game against Oregon State, Friday.
Washington State faces Gonzaga, Tuesday.
Nick Tanielu has four hits in loss.
Joe Pistorese pitches four-hitter against No. 5 Beavers.
Washington State has won six-straight at home.
BYU posts shutout in battle of Cougars.
Junior batted .700 against California.
Michael Monda delivers game-winning hit.
Tanner Chleborad earns the victory on the mound.
Southpaws yields five hits for second complete game of 2014.