[2] On March 8, 2017, Roberson set a new FIBA Europe Cup scoring record with 39 points in an 87–85 loss against Cibona.

[4] On July 17, 2018, Roberson signed with the Russian team Enisey of the VTB United League.

[5] On July 16, 2019, Roberson signed with the South East Melbourne Phoenix of the Australian National Basketball League (NBL) for the 2019–20 season.

His 112 three-point field goals made during the season set an NBL record for the 40-minute era.

[7] On February 5, 2020, Roberson signed with Galatasaray Doğa Sigorta of the Basketbol Süper Ligi (BSL).