UCLA scored three minutes into the match and never looked back as they sealed their second-straight shutout with a 3-0 win over Cal State Northridge Sunday night at Drake Stadium.
Trevithick scores game-winner in 87th minute.
Bruins score three goals in second half to take insurmountable lead.
Bruins' senior midfielder Jessie Fleming represented Canada at the 2019 Women's World Cup in France.
UCLA will host Loyola Marymount on Friday at 7pm.
Fleming, Sanchez, Parker earn preseason honors.