![Costello van Steenis will take over Bellator middleweight division after Gegard Mousasi is done - MMA Fighting Costello van Steenis will take over Bellator middleweight division after Gegard Mousasi is done - MMA Fighting](https://cdn.vox-cdn.com/thumbor/BexViiH9m470PzYPNm6Y6jTJy-8=/1400x1400/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/11369865/22555701_10156356940124879_538137225098240572_o.jpg)
Costello van Steenis will take over Bellator middleweight division after Gegard Mousasi is done - MMA Fighting
![London, UK. 24th May 2018. Costello Van Steenis takes to the scales Credit: Dan Cooke Credit: Dan Cooke/Alamy Live News Stock Photo - Alamy London, UK. 24th May 2018. Costello Van Steenis takes to the scales Credit: Dan Cooke Credit: Dan Cooke/Alamy Live News Stock Photo - Alamy](https://c8.alamy.com/comp/MPPAC3/london-uk-24th-may-2018-costello-van-steenis-takes-to-the-scales-credit-dan-cooke-credit-dan-cookealamy-live-news-MPPAC3.jpg)
London, UK. 24th May 2018. Costello Van Steenis takes to the scales Credit: Dan Cooke Credit: Dan Cooke/Alamy Live News Stock Photo - Alamy
![MMA | Costello van Steenis pakt overtuigende overwinning tegen Kamil Oniszczuk tijdens Bellator 287 - Eurosport MMA | Costello van Steenis pakt overtuigende overwinning tegen Kamil Oniszczuk tijdens Bellator 287 - Eurosport](https://i.eurosport.com/2022/10/29/3481140-70969968-2560-1440.jpg)