Walker Jr. (born March 28, 1998) is an American professional basketball player for the Greensboro Swarm of the NBA G League.

As a sophomore in 2014–15, Walker averaged 17.3 points, 4.5 rebounds, 3.0 assists, and 3.0 steals leading Jonesboro to a 32–1 record and the 2015 Georgia Class 4A state championship.

[3] As a senior, he averaged 12.2 points, 2.5 rebounds, and 2.5 assists per game, earning Second Team All-ACC honors.

[4] After going undrafted in the 2021 NBA draft, Walker signed with the New York Knicks on August 20, 2021,[5] but was waived on October 16.

[10] On June 6, 2023, Walker signed with the Vancouver Bandits of the Canadian Elite Basketball League.

[15] On March 12, 2024, Walker signed with the Canterbury Rams of the New Zealand National Basketball League (NZNBL) for the 2024 season.

[19] Walker played for the United States national under-18 team at the 2016 FIBA Americas Under-18 Championship in Valdivia, Chile.