Griggs and Mueller-Baumgart will join the Bruins in the fall of 2020.
The Bruins are off until Jan. 27-28, 2020 at the Southwestern Invitational.
UCLA shot a 10-under 274 as a team on Saturday and sits at 25-under 543 through 36 holes.
UCLA is in solo third, just off the pace set by Kansas and Oklahoma (-16, 268).
The Bruins are one of five Top 25 teams in the field.