Justin Anderson

On January 6, 2020, Anderson signed a ten-day contract with the Brooklyn Nets. On January 15, Anderson was released by the Nets.

On January 21, 2020, the Raptors 905 traded Anderson to the Long Island Nets in exchange for Henry Ellenson.

On September 26, 2019, Anderson signed with the Washington Wizards for training camp. On October 16, 2019 Anderson was waived by the Wizards after appearing in the team's four preseason games. On November 25, 2019, the Raptors 905 announced that they had claimed Anderson off waiver.

In a win over the Milwaukee Bucks on April 11, 2018, Anderson scored a season-high 25 points and had six rebounds.

On July 25, 2018, Anderson was traded to the Atlanta Hawks in a three-team deal involving the 76ers and the Oklahoma City Thunder. On March 31, 2019, he set season highs with 24 points and 12 rebounds in a 136–135 overtime win over the Milwaukee Bucks. On June 29, 2019, the Hawks declined Anderson's contract extension, making him an unrestricted free agent.

Anderson is a member of the "Starting Five", along with Malcolm Brogdon, Joe Harris, Anthony Tolliver, and Garrett Temple. Their goal is to raise $225,000 through Hoops2O, founded by Brogdon, to fund five wells in East Africa by the end of the 2018–19 season.

On February 23, 2017, Anderson was traded, along with Andrew Bogut and a protected first-round pick, to the Philadelphia 76ers in exchange for Nerlens Noel. On March 3, 2017, he made the go-ahead basket with 24.3 seconds left and matched his career high with 19 points in the 76ers' 105–102 victory over the New York Knicks. Three days later, he had another 19-point effort in a 112–98 loss to the Milwaukee Bucks. On March 17, 2017, he had his fifth career 19-point game (fourth time in 2016–17) in a 116–74 win over his former team, the Dallas Mavericks. In the 76ers' season finale on April 12, 2017, Anderson had a 26-point effort in a 114–113 loss to the Knicks.

In July 2016, Anderson re-joined the Mavericks for the 2016 NBA Summer League, where he averaged 16.0 points, 7.0 rebounds and 2.6 assists in five games. On November 9, 2016, he had a season-best game with 16 points, eight rebounds and seven assists in a 116–95 loss to the Golden State Warriors. On January 22, 2017, he scored a game- and season-high 19 points in a 122–73 win over the Los Angeles Lakers.

Following the graduation of Joe Harris, Anderson was inserted into the starting lineup. A fractured finger against Louisville and an appendectomy forced Anderson to miss the last eight games of the regular season, but he returned in time for Virginia's first game of the ACC Tournament. After putting up career-high numbers in scoring and other offensive categories, Anderson was named second-team All-ACC and third-team All-American by the NABC. On April 13, 2015, Anderson declared for the NBA draft, forgoing his senior year.

On June 25, 2015, Anderson was selected by the Dallas Mavericks with the 21st overall pick in the 2015 NBA draft. He joined the Mavericks for the 2015 NBA Summer League, where he averaged 17.5 points, 4.2 rebounds, 1.5 assists and 1.2 steals in six games. On August 1, 2015, he signed his rookie scale contract with the Mavericks. He made his debut for the Mavericks in their season opener on October 28, 2015, recording two points and one rebound in a 111–95 win over the Phoenix Suns. On November 10, 2015, he scored a then season-high 11 points on 4-of-4 shooting in a 120–105 loss to the New Orleans Pelicans. On February 5, 2016, he set a new season high with 13 points in a 116–90 loss to the San Antonio Spurs. On April 8, 2016, he recorded his first career double-double with 19 points and 10 rebounds (both career highs) in a 103–93 win over the Memphis Grizzlies. During his rookie season, he received multiple assignments to the Texas Legends, the Mavericks' D-League affiliate.

Anderson originally verbally committed to Maryland, but later changed his commitment following Gary Williams’ retirement. On November 12, 2011, Anderson signed a National Letter of Intent to play for Virginia.

Justin Lamar Anderson (born November 19, 1993) is an American professional basketball player for the Long Island Nets of the NBA G League. He played college basketball for the Virginia Cavaliers before being selected with the 21st overall pick in the 2015 NBA draft by the Dallas Mavericks. After one and a half seasons with the Mavericks, Anderson was traded to the Philadelphia 76ers in February 2017. In July 2018, he was traded to the Atlanta Hawks.