Utah's T.J. Bennett and Wyler Smith had two hits each, and Relf scored three runs.
Leadoff batter Jason Monda had three hits and two RBIs for the Cougars (16-12, 3-4).
BYU 8, Santa Clara 2 • In Santa Clara, Calif., BYU's Hayden Nielsen hit three run-scoring singles, and pitcher Adam Miller earned the win by holding the Broncos (8-20, 0-8 West Coast Conference) to two runs over five innings.
Jaycob Brugman was 2-for-4 with a pair of doubles, two runs scored, and an RBI for the Cougars (16-14, 4-4).
Utah Valley 3, NJIT 1 • In Newark, N.J., Adam Gunn held NJIT to three hits over seven scoreless innings to earn the win for UVU (10-17, 1-0) in its Great West Conference opener.
BYU 2-4 , Utah Valley 1-6 • In Orem, BYU's Ashlee Brawly Robinson went 3-for-4 and drove in the winning run with an eighth-inning single in the opener of the Pacific Coast Softball Conference doubleheader. UVU's Debra Lovell hit a two-run walk-off homer in the bottom of the seventh of the second game.
Utah State 2, UT-San Antonio 1 (8) • In Kaysville, Kassandra Uchida's RBI single in the bottom of the eighth inning lifted the Aggies (7-28, 1-6) to their first Western Athletic Conference win of the season.
Southern Utah 0-3, Sacramento State 8-1 • In Cedar City, SUU pitcher Astley Osher had eight strikeouts, and Kadi Henderson drove in two runs as the Thunderbirds won Game 2 to salvage a doubleheader split.
Idaho State 9-7, Weber State 6-2 • In Pocatello, Idaho, Weber State's Brooke Silva went 2-for-3 with a homer in the opener, but the Wildcats committed four errors and lost.