[1] Malaj averaged 16 points, 4 assists and 4 rebounds per game for Lipjani in the 2018–19 season.
[2] From 2021 until 2022, Malaj played for Rahoveci of the Kosovo Superleague and Liga Unike.
[5] On July 16, 2023, Malaj signed for Proton Cable Prizreni.
[6] On December 24, 2023, Malaj signed for Peja of the Kosovo Superleague and Liga Unike.
[7] Musab Malaj is part of the Kosovan national team since 2021.