All nine Oregon starters had hits, eight scored runs and seven had RBIs in an offensive onslaught against Arizona.
Sabin Ceballos went 3 for 6 with four RBIs, Jacob Walsh homered twice and Drew Cowley drove in three runs for the Ducks in a 15-3 blowout of the Wildcats Friday night at Hi Corbett Field.
Oregon (16-7, 4-3 Pac-12) had a season-high 22 hits, with eight starters having multi-hit games and seven scoring multiple runs.
Ceballos hit an RBI single in the first to get UO on the board, then the offense erupted for seven runs in the second. Walsh led off with a homer, Rikuu Nishida hit an RBI single, Cowley hit a bases-clearing triple and scored on a single by Ceballos, who scored on a single by Walsh as the Ducks batted around.
TJ Nichols (3-3) allowed eight runs on six hits, two walks and a hit batter over 1.1 innings for UA.
Arizona (14-10, 3-7) got two runs back in the bottom of the inning via a single and double play ground ball.
The Ducks tacked on five more in the fifth as Nishida and Colby Shade hit back-to-back RBI singles, Ceballos hit a two-run double and scored on a single by Tanner Smith.
The Wildcats hit a sacrifice fly in the bottom of the inning but didn’t score again as Jace Stoffal (3-2) allowed three runs on five hits and two walks and struck out five over 7.0 innings.
Gavin Grant hit an RBI double in the sixth and Walsh hit another solo home run in the seventh.
Austin Anderson walked one and hit a batter and struck out four over 2.0 hitless innings of relief for Oregon.
The teams continue the series at 6 p.m. Saturday.