Osborne played basketball for Windward School in Los Angeles under coach Vanessa Nygaard. As a sophomore, she led her team to a Division I state title.[1] In her junior season, Osborne led Windward to the Open Division state championship and earned California Ms. Basketball honors.[2] As a senior, she was selected to play in the McDonald's All-American Game and was named Los Angeles Times player of the year for a third consecutive season.[3] Rated a five-star recruit by ESPN, she committed to play college basketball for UCLA over offers from Duke, Louisville, Ohio State and USC.[4]
College career
As a freshman at UCLA, Osborne averaged 12.2 points and 5.8 rebounds per game, receiving Pac-12 All-Freshman honors. She made 59 three-pointers, the most by a freshman in program history.[5] On February 26, 2021, she posted her first career triple-double, with 18 points, 12 assists and 10 rebounds in a 93–51 win over USC.[6] In her sophomore season, Osborne averaged 17 points, 5.8 rebounds and 3.8 assists per game and was an All-Pac-12 and Pac-12 All-Defensive Team selection.[7] As a junior, she averaged 16.4 points, 5.1 rebounds and 3.9 assists per game, earning All-Pac-12 honors.[8] In the second round of the 2023 NCAA tournament, Osborne scored a career-high 36 points in an 82–73 victory over Oklahoma.[9] She averaged 15.9 points, 5.9 rebounds and 2.8 assists per game in her senior season and made the All-Pac-12 Team for her third straight year. Despite being a projected top-10 pick in the 2023 WNBA draft, Osborne returned to UCLA for a fifth season of eligibility, granted due to the COVID-19 pandemic.[10] During her fifth season, she reached second on the all-time scoring list for UCLA women's basketball.[11]
Professional career
Osborne was chosen as the first pick of the third round (25th overall) by the Phoenix Mercury in the 2024 WNBA draft.[12] On May 11, 2024, Osborne was waived by the Mercury.[13] On June 13, 2024, Osborne was re-signed by the Mercury.[14] However, she ended up playing in only two regular-season games in her rookie season, as she was struggling with injuries.[15]