He then took off for bigger destinations, namely Roma and Inter Milan, enjoyed another spell at Cagliari and eventually returned to his homeland in 2021, where he signed with Royal Antwerp in the Belgian Pro League.

Source: https://www.forbes.com/sites/danieleproch/2023/01/28/we-put-out-a-statement-spal-dream-big-with-radja-nainggolan-signing/

Onuachu linked up with the South Coast club on deadline from Belgian Pro League club, KRC Genk but won’t be able to face the Bees as he is yet to be granted work permit by the British Home Office.

Source: https://www.completesports.com/brentford-vs-southampton-work-permit-delays-onuachus-premier-league-debut/