Six freshmen and two transfers will make their Bruin debuts in 2020.
McCall comes to the Bruins from TCU, and will have two years of eligibility remaining.
The two Bruins will train in Anaheim this June.
Fleck will have two years of eligibility remaining.
Pac-12 Networks' Anne Marie Anderson and Maylana Martin-Douglas recap No. 10 UCLA women's basketball 68-66 victory against Arizona State in Westwood on Friday.
The duo were also named AVCA All-Americans.