Anderson is a sophomore.
LaVine is a freshman.
"I will forever be proud to call myself a Bruin and will never forget the memories that were made here," LaVine said. "I truly can't wait for this next chapter in my life."
Anderson averaged 14.6 points, 8.8 rebounds and 6.5 assists this season while LaVine averaged 9.4 points and 2.5 rebounds. Both are projected to be first-round picks.
UCLA is still waiting for Jordan Adams to make a decision.
The deadline for underclassmen to enter the NBA Draft is April 27.