Donohoe's four goals ties a season-high.
Pac-12 Networks will originate a live telecast from Spieker.
Fattal, Kent each score three times as Bruins win 16th game.
UCLA and LMU meet for the second time this season.
UCLA's rally fell short in overtime to USC, losing 7-6 in the title match at the UC Irvine Invite.
No. 3 UCLA defeated No. 2 Stanford, 9-6, to advance to the championship match at the UCI Invite.
Bruins go 2-0 in first day of action at UC Irvine Invitational.
UCLA scored the first five goals and rolled to a 7-1 victory over San Diego State Saturday morning.
Invitational field features all the top teams.
Key fourth quarter plays give UCLA its 19th straight victory over UC Irvine.
Bruins have won 18 straight without a loss in the series.
All four are veterans of the USA Water Polo system.