David Wear scored a team-high 16 points and Kyle Anderson added 15 as UCLA lost to Duke, 80-63.
The Bruins will take on Duke at Madison Square Garden in New York City on Thursday at 4:30 pm PT.
Sophomore Jordan Adams led the Bruins with 18 points in a 95-71 victory over Prairie View A&M.
The UCLA men's basketball will host Prairie View A&M on Saturday at 5 p.m. in Pauley Pavilion.
Jordan Adams scored 22 points as the No. 18 UCLA men's basketball team lost, 80-71, at Missouri.