Van Oostrum brothers Devon and Nigel will play together again next season after re-signing with Landstede Hammers for the 2020-21 campaign.
Sammy Roscoe is heading overseas next season after signing with Flippo Baskets in Germany's top-flight.
Legend Robertin has signed with BC Prievidza in Slovakia for the 2020-21 season, it was announced earlier this month.
Joe Junior Mvuezolo will play in LEB Silver with Algeciras next season, the Spanish club announced on Friday.
Daniel Edozie has agreed a new one-year deal to remain with Bristol Flyers for the upcoming 2020-21 season.
Mo Soluade has re-signed with Spanish LEB Gold side Breogan for the 2020-21 season.
Jordan Whelan will play for his hometown club again next season after signing with Manchester Giants for the 2020-21 campaign.
GB international Gareth Murray has been confirmed as Glasgow Rocks' player-coach having agreed to a two-year deal.
Nick Lewis will return for another season with Sheffield Sharks after a one-year extension was confirmed.
London Lions will face Neptunas Klaipeda in their first-ever Basketball Champions League tie after the Qualifiers draw took place on Wednesday morning.