Chris Eubank and Conor Benn will battle it out again on 20 September after agreeing to a rematch of a contentious bout won by Eubank in April.
Over three decades on from when their fathers Chris Eubank Sr and Nigel Benn first fought, Eubank won by unanimous decision at the Tottenham Hotspur Stadium.
The same venue has been touted again to host the event, but promoter Eddie Hearn has suggested the 90 000 capacity Wembley as a possibility.
Hearn told Ring magazine: "Spurs is contracted - it's a fantastic stadium and it worked extremely well the first time.
"Obviously, it was sold out and this fight's even bigger, so you could possibly look at Wembley to increase the capacity."
All three judges scored the contest 116-112, with neither man able to land the telling blow, as Benn suffered the first defeat of his professional career.
"Experience gained, lessons learned," said Benn in a post on social media after the rematch was confirmed.
Eubank Sr defeated Nigel Benn in 1990 in a world middleweight title fight before a draw three years later.
The sons were scheduled to face each other in 2022 but the fight was cancelled because Benn failed two drugs tests.
Benn, who has denied intentional doping, was subsequently cleared to fight.