Oregon run-ruled Louisiana for the second game in a row to open Saturday's doubleheader, then rallied for a 2-1 victory in eight innings.
The team of Daniel Winn, Johnny Gregorek, Will Geoghegan and Edward Cheserek finished in a time 16:18.93.
Pac-12 teams converge onto the Palouse Ridge Golf Course next Monday, April 27, for the annual conference championships.
The Ducks ended the semifinal with their highest score of the season, defeating Hawai'i Pacific in the semifinals 283.495 – 281.325.
Oregon couldn't overcome its miscues and lost Friday to Washington despite a few exceptional defensive moments by outfielders.
Both of Oregon's doubles teams lost on Friday in the championship bracket of doubles play at the Pac-12 Championships.
The Oregon acrobatics and tumbling team recorded their second-highest score of the season and defeated Alderson Broaddus 280.875 – 273.695
Janie Takeda became the UO career leader in hits and steals, Cheridan Hawkins threw a no-hitter and Nikki Udria hit a walk-off homer Friday.
Despite hat-tricks from Casey Brogan and Carly O'Connell, Oregon left Denver with a 15-9 loss in MPSF Play.
The Ducks were wheeling and dealing at the Penn Relays on Saturday, winning both the men's distance medley relay and women's sprint medley.
The Oregon sand volleyball team concluded its second season, Friday, falling to Boise State and No. 10 Arizona.
Oregon wrapped up its fourth of five weeks of spring practice this morning in the Moshofsky Center, and has a week until the spring game.