Kpoku scored three tries in 10 senior appearances in 2018/19.
Joel Kpoku had an extremely promising 2018/19 season at Saracens.
The lock made a scoring senior debut for the Men in Black against Leicester Tigers in the Premiership Rugby Cup and also dotted down on his first Premiership outing in November against Sale Sharks.
He was a key component in Storm’s run to the Premiership Rugby Shield title and was shortlisted for the Premiership Rugby Cup Breakthrough Player award.
A mainstay in the England Under-20s side, Kpoku made his international bow against the Junior Springboks and has since represented his country at two U20 World Rugby Championships.
The powerful forward was also called up to a full England training camp in August 2018.
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