[2][3] His lack of production, he later admitted, "turned [him] into a gym rat" and motivated him to work harder than everyone else to improve his game.

[5] He joined Maryland's Len Bias (1985–86) as the only two players of the year who competed for teams with losing ACC records.

[6] On June 27, 2013, Green was selected by the Utah Jazz with the 46th overall pick in the 2013 NBA draft; his rights were immediately traded to the Denver Nuggets.

[12][13] On August 1, 2014, he signed a three-year, $2.3 million contract with the Nuggets after averaging an impressive 16.6 points per game over five Summer League contests for the team.

[16] In the Nuggets' season finale on April 15, he had a season-best game with 17 points, 7 assists, 4 rebounds and 1 steal in a loss to the Golden State Warriors.

[17] In July 2015, Green re-joined the Nuggets for the 2015 NBA Summer League where he averaged 14.8 points, 1.4 rebounds, 4.0 assists and 1.8 steals in five games.

[23] The next day, he made his debut for the Jazz in a 102–73 win over the Charlotte Hornets, recording four points and one assist in four minutes of action.

[28] On February 2, 2017, Green recorded a season-high 25 points, shooting 10-of-13 from the field, along with three rebounds and two assists in a 90–75 win over UNICS Kazan.

[30] Green helped Valencia to win the 2017 Spanish Supercup and was named the Tournament MVP after averaging 15.5 points in two games.

In July 2019, Green signed a one-year deal with the Fujian Sturgeons of the Chinese Basketball Association (CBA).