Oregon State 1, Stanford 0
At Stanford, California
The No. 1-ranked Beavers rode Luke Heimlich's four-hit complete game to the Game 1 victory at Stanford.
OSU improved to 22-1, 7-0 in the Pac-12, and got its 17th win in a row to move to 5-0 in away games.
The Cardinal dropped to 14-7, 2-2.
Nick Madrigal and KJ Harrison each had two hits, one a double, for the Beavers.
Heimlich (5-0) struck out two batters and walked three.
The series continues with games at 2 p.m. Saturday and 1 p.m. Sunday.
Oregon 11, Utah 1
At Salt Lake City
The Ducks (17-6, 5-2 Pac-12) exploded for 10 runs in the sixth inning to open a three-game set on the road with a solid victory.
Utah fell to 10-13, 1-6.
The big inning included six UO hits, a walk, a hit batter and one Utah error.
David Peterson (6-1) did the rest for Oregon, allowing seven hits and no walks in eight innings, with 11 strikeouts.
Portland 7, Santa Clara 5
At Joe Etzel Field
The Pilots got their first league win of 2017, taking
the first of a three-game home series.
UP is 5-20, 1-6 West Coast Conference.
The Broncos fell to 5-20, 1-3 WCC.
Left-hander Grady Miller started for Portland but gave way after three innings, and the third of four UP hurlers, Jordan Horak (1-5) earned the win with 2 2/3 innings of two-hit relief in which he gave up one run and struck out five batters.
Devin Kopas was 3 for 5 with three RBIs for the Pilots.
Saint Martin's 11, Concordia 5
Concordia 6, Saint Martin's 5
At Porter Park
The Saints took the first game, banging out 16 hits while giving up 12 to CU.
In the nightcap, Concordia trailed 5-0 after 1 1/2 innings but got the winning run in the bottom of the seventh on a walk-off, one-out home run by Mitch Bevacqua.
Concordia went to 6-20, 4-12 in the Great Northwest Athletic Conference, while Saint Martin's ended the day 9-115, 6-10.
Oregon 4, Arizona State 0
At Jane Sanders Stadium
The Ducks, ranked first and third in the national polls, are 31-0 (6-0 Pac-12) after their shutout at home over No. 21 ASU (23-10, 2-5 Pac-12).
Maggie Balint (15-0) held the Sun Devils to three hits and two walks, with 10 strikeouts over seven innings.
Oregon took a 2-0 lead in the second on an RBI single by Jenna Lilley and RBI triple from Lauren Lindvall.
In the fifth, Alexis Mack scored from third on a fielder's choice, and Lindvall singled home the final run in the sixth.
BYU 4, Oregon State 2
At OSU Softball Complex
The No. 25 Cougars (22-10) were out-hit 6-5 but downed OSU (16-14, 0-4) at home.
The Beavers led 1-0 after Alysha Everett's RBI single in the first.
Each team left seven runners on base.
The teams will meet again at noon Saturday.
Portland State 2, Northern Colorado 0
Portland State 7, Northern Colorado 2
At Gordon Faber Recreation Complex
PSU swept its home-opening games
In the first game, Emma Detamore (3-12) tossed a two-hitter. She allowed two walks and struck out nine.
The Vikings scored in the second inning on SheaLee Lindsey's two-run single.
PSU took a 3-0 lead in the bottom of the third of the nightcap and totaled 13 hits, with Alyssa Burk (2-7) allowing five hits in a complete game. She fanned six and walked five.
Shae Nelson and Kaela Morrow each drove in two runs in the second game for the Viks.
Portland State improved to 4-2 in the Big Sky and 6-20 overall.
The Bears fell to 13-23 overall and 1-4 in the conference.
Sonoma State 7, Concordia 2
San Francisco State 10, Concordia 6
At Turlock, California
Two road losses dropped the Cavaliers to 12-19 for the season.
Defending NCAA champion Oregon moved up eight spots to fifth after the second of three days in The Goodwin at Stanford, California.
The host Cardinal have a one-shot lead on No. 1-ranked USC. Stanford, ranked 12th, is at 4-over-par 564 through two rounds.
Oregon, ranked fifth, is at 577 after improving by 15 shots from its first round on Thursday.
Oregon State was 16 shots higher in Round 2 than on the opening day and slipped nine notches to 15th at 594 in the 24-team event.
BYU's Rhett Rasmussen shot a 6-under 64 to take the lead at 4-under 136. Among four players two shots back is Oregon's Ryan Gronlund, who fired a 67 on Friday.
Eighteen teams, including Oregon, were delayed by one day from starting play in the Bryan National Collegiate at Browns Summit at North Carolina.
Portland 4, BYU 1
At Louisiana-Pacific Tennis Center
The Pilots won their ninth match in a row and improved to 13-1, 3-0 West Coast Conference.
BYU is 1-9, 4-1.
No. 1 singles Michail Pervolarakis won 6-3, 6-4, raising his dual record to 13-1 and win streak to nine, as UP won at his for the 17th consecutive time.
Idaho State 4, Portland State 3
At Pocatello, Idaho
The Vikings' top three single players — Nathan Boniel, Tommy Edwards and Scott Goldner — won their matches in the loss to the Bengals.
Portland State is 3-11 overall, 1-6 in Big Sky matches. It was the third 4-3 loss in PSU's last five matches.
USC 5, Oregon 0
At Los Angeles
The fifth-ranked Trojans handed UO a loss in its Pac-12 opener.
Oregon is 14-3 overall. USC is 18-3, 1-0.
At No. 1 singles, 21st-ranked Brandon Holt of USC and No. 40 Thomas Laurent of Oregon, played to no decision, with the third set suspended at 4-4 after Holt had lost 4-6, then won the second set 6-3.
BYU 4, Portland 2
At Provo, Utah
The Pilots fell to 6-7 overall and 2-1 in the WCC, while the Cougars improved to 6-8, 1-1.
Arizona State 4, Oregon 1
At Tempe, Arizona
The No. 42 Sun Devils outlasted the No. 38 Ducks, who slipped to 10-7 for the season and 3-2 in the Pac-12.
ASU climbed to 10-5, 3-2.