He played college basketball for the North Carolina Tar Heels before being selected by the Los Angeles Clippers in the first round of the 2013 NBA draft with the 25th overall pick.

Bullock has also played for the Phoenix Suns, Detroit Pistons, Los Angeles Lakers, New York Knicks, and Dallas Mavericks.

During the 2010 championship game against West Caldwell, he was named Most Valuable Player and scored a team high of 15 points.

[2][3] He was chosen to play in the 2010 McDonald's All-American game, where he was on the East Team along with Tobias Harris, Kendall Marshall, Kyrie Irving, and Jared Sullinger.

The team won the Gold Bracket Championships, were champions of Southern Jam Fest, runners up at Gibbons TOC, and in the Final Four at the Knoxvegas Heat.

[8] Bullock committed to attending the University of North Carolina at Chapel Hill in January 2008, shortly after receiving a scholarship offer from the Tar Heels.

[9] In Bullock's freshman season in 2010–11, he was sixth on the team in scoring and the second-leading scorer off the bench at 6.1 points per game.

[14] Bullock made his NBA debut on October 29, 2013, against the Los Angeles Lakers, scoring two points.

On July 9, 2015, Bullock was traded to the Detroit Pistons, along with Danny Granger and Marcus Morris, in exchange for a 2020 second-round draft pick.

[24] After hip and back issues delayed his 2016–17 season debut, Bullock appeared in just four games before being sidelined with another injury on November 25, 2016, having suffered a left knee meniscus tear against the Miami Heat two days earlier.

[32] On February 6, 2019, Bullock was traded to the Los Angeles Lakers in exchange for Sviatoslav Mykhailiuk and a future second round draft pick.

[33] On July 16, 2019, Bullock signed with the New York Knicks,[34] and underwent successful surgery on the next day for a cervical disc herniation.

[42] He was honored during the GLAAD Media Awards, and is active in the charity "NBA Voices for LGBT Youth and Allies".