[1] Maduabum, a 6'9" power forward, was the third player drafted straight from the D-League, following fellow second round picks Mike Taylor and Latavious Williams.

[3] In July 2012, Maduabum joined the Nuggets for the 2012 NBA Summer League where he averaged 2.3 points and 2.7 rebounds in three games.

[4] On February 19, 2015, the Nuggets traded to draft rights to Maduabum, along with JaVale McGee and a future first-round pick via the Oklahoma City Thunder, to the Philadelphia 76ers.

[7][8] On July 15, 2016, the 76ers traded the draft rights to Maduabum to the Cleveland Cavaliers, in exchange for Sasha Kaun and cash considerations.

[9] In January 2013, Maduabum signed with Al-Shamal of Qatar's D1 league where he averaged 9.4 points, 8.5 rebounds, 3.6 blocks and 1.0 assists in eight games.

[14] On August 7, 2015, Maduabum signed with Keflavík of the Icelandic Premier League after averaging 7.6 points and 5.1 rebounds per game with Tallinna Kalev.