Deji picked up a huge win back in August 2022 on the undercard of KSI's clash with Swarmz and Luis Pineda, beating Fousey by stoppage.
And it should be another bumper night in London as he faces rapper Swarmz himself, with KSI facing Joe Fournier in the main event.
KSI put Swarmz away in just two rounds, but the latter has since picked up a win over Ryan Taylor.
With some confidence to boot, Swarmz could give Deji a tougher night than expected.
- Deji's big clash with Swarmz will take place on Saturday, May 13.
- The main card will get going from 7pm BST, with the main event expected around 10.30pm.
- Deji vs Swarmz will likely get underway from 9pm.
- The event will be held at Wembley Arena in London.
“I’m excited to be back, I’ve got a great team around me and I’m confident in my abilities.
"May 13th is fight night - bring it on!"
"The odds are stacked against me; I am the underdog, but I plan on stealing the show. Just watch.
“Who’s ready for an upset?! Mad Man, Mad Man.”
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