Kamaru Usman is rumored to fight Dricus du Plessis at UFC Oklahoma City on July 18.
What's the holdup?
Dricus du Plessis claims he signed the contract, but Kamaru Usman has not.
Du Plessis took to social media to update fans on the proposed fight.
He accused Usman of not signing the contract, preventing the fight from being made official.
Why it matters for Kamaru Usman
A win against du Plessis could set Kamaru Usman up for a rematch with current UFC middleweight champion Sean Strickland.
Usman holds a previous win over Strickland from their welterweight days.
What comes next?
Du Plessis is currently the No. 2-ranked middleweight in the UFC and the No. 13-ranked pound-for-pound fighter.
He is looking to get back into the win column after losing to Khamzat Chimaev at UFC 319 last August.
Kamaru Usman has not fought since UFC Atlanta last June, when he pulled off an upset over Joaquin Buckley.
He is moving up to middleweight, which is an interesting decision at this stage of his career.
The betting odds currently favor du Plessis at -350, with Usman as a +285 underdog.
Du Plessis had won nine straight fights in the UFC before his loss to Chimaev.
He has two wins over Sean Strickland, the current UFC middleweight champion.
Kamaru Usman is ranked No. 9 in the UFC welterweight rankings.
The fight between du Plessis and Usman is expected to be a main event at UFC Oklahoma City.
The event takes place on July 18 at Paycom Center.
Du Plessis' update on the fight has sparked interest among fans.
The UFC has not officially announced the fight yet.
Kamaru Usman's move to middleweight has raised questions about his career.
He will be looking to prove himself in a new weight class.
The outcome of the fight will be crucial for the title picture at 185 lbs.
Du Plessis is confident in his abilities, having signed the contract to fight Usman.
He is waiting for Usman to sign the contract and make the fight official.
The fight is expected to be an exciting matchup between two top fighters.
Kamaru Usman's performance will be closely watched by fans and critics alike.
The UFC Oklahoma City event is just weeks away, and fans are eagerly awaiting the official announcement of the fight.