[1] He received considerable media attention in December 2017 for his 42-point performance against Jahvon Quinerly and nationally ranked Hudson Catholic Regional High School in the quarterfinals of the City of Palms Classic.

[1][2][3] As a junior in 2018–19, Cooper led McEachern to a perfect 32–0 record and the first state title in school history while averaging 27.2 points, 8.1 assists, 5.6 rebounds and 4.3 steals per game.

[13] Sources: Cooper missed the first 12 games of his freshman season due to a National Collegiate Athletic Association investigation into his eligibility.

[16] As a freshman, he averaged 20.2 points, 8.1 assists and 4.3 rebounds per game through 12 appearances, earning Southeastern Conference All-Freshman Team honors.

[18] On August 5, 2021, he signed a two-way contract with the Hawks, splitting time with their NBA G League affiliate, the College Park Skyhawks.

[19] He played for the Hawks in the 2021 NBA Summer League, recording 11 points on 5–11 shooting, and 6 assists in 28 minutes at his debut in a 85–83 loss against the Boston Celtics.

[20] Cooper made his NBA debut in the Hawks' season opener against the Dallas Mavericks, going 0-for-3 from the field in a 113–87 win.

[35] On September 28, 2024, Cooper signed with Yukatel Merkezefendi Belediyesi of the Turkish Basketball Super League (BSL).