JuJu Watkins had 21 points, nine assists and six steals to help No. 3 Southern California trounce Cal State Northridge 124-39 on Tuesday night. The Trojans (3-0) had six players in double figures, including Kiki Iriafen with 15 points and Kayleigh Heckel with 14 points off the bench.

USC coach Lindsay Gottlieb spelled out her game plan, watched her players execute with ruthless precision and then celebrated her 300th career victory at Galen Center Tuesday, calling the chance to lead the dominant Trojans “the honor of my lifetime.

Freshman guard Kayleigh Heckel scored 16 points off the bench and disrupted Cal Poly’s rhythm on defense. Watkins, who had struggled with turnovers against Ole Miss, showed greater composure, also finishing with 16 points and four blocks, while forward Rayah Marshall reached the 1,000-point milestone with a first-quarter layup.