Chelsea's Failed Kone Transfer: Mbappe's Support and Deadline-Day Block
Chelsea thought they had it. The recommendation, the fee, the player’s approval. All of it.
In the frantic final days of the summer window, manager Alonso turned to a familiar face for guidance. Before Chelsea pushed the button on a formal move for Roma midfielder Kone, he picked up the phone to his former Real Madrid star, Kylian Mbappe, according to Foot Mercato.
Mbappe knows Kone better than most. He captains him for France and sees him up close in training. His verdict was emphatic: Kone was ready. Ready for the Premier League, ready for the tempo, ready for the scrutiny. That endorsement carried weight at Stamford Bridge.
Chelsea acted like a club convinced.
They struck an agreement with Roma worth around €70m (£60m), a figure that sailed past Kone’s initial valuation but underlined how badly Alonso wanted him as Enzo Fernandez edged towards the exit. With the Argentine closing in on a British-record move to Manchester City and the Etihad Stadium, the Blues needed a new heartbeat in midfield. They believed they had found it.
Personal terms? Done.
At just 23, Kone was reportedly desperate to make the switch to west London, seeing Chelsea as the next step in a fast-rising career. The structure was in place: club-to-club agreement, player on board, Mbappe’s blessing ringing in the background.
Then deadline day hit.
Roma boss Gian Piero Gasperini stepped in and slammed the door. In one late, decisive intervention, he blocked the transfer and left Chelsea’s carefully laid plans in ruins. No compromise, no late twist back in their favour. Just a flat refusal and a deal that collapsed on the line.
For Chelsea, it wasn’t an isolated blow.
The Kone saga came on the back of another failed move, a spectacular breakdown in their pursuit of Monaco’s Lamine Camara. Two high-profile midfield targets, two late collapses. The result is a squad that suddenly looks light where it matters most.
Romeo Lavia continues to wrestle with long-term fitness problems. Moises Caicedo has had his own recent injury issues. Between them, Alonso’s options at the base of midfield look far thinner than a club of Chelsea’s ambitions would like to admit.
All this on the same window that saw Fernandez walk out the door in a staggering £125m transfer. His departure hands Enzo Maresca yet more quality at Manchester City, a squad already stacked with elite talent. The former Benfica midfielder made his reasoning clear: he wanted to test himself among the best, to learn from teammates who have turned winning into a habit.
Chelsea now have to live with the consequences.
They head into a daunting clash with reigning Premier League champions Arsenal on Sunday with a strong start behind them – wins over Fulham and Brighton have set a positive early tone – but a glaring question in the middle of the pitch. Can this midfield group cope across a long, unforgiving season?
Alonso faces a tactical puzzle he did not plan for. Without Fernandez’s technical assurance or the imposing presence Kone was supposed to provide, the balance of his side changes. The margins against elite opposition shrink. One injury, one suspension, and the engine room starts to creak.
The most intriguing detail in all of this might be Mbappe’s role. His involvement in the process shows a Chelsea operation looking for more than raw ability. They are chasing players with what they see as a “winner’s DNA,” characters vouched for by football’s biggest names.
Yet without Kone’s signature, that glowing reference sits in the background, a footnote to a move that never was.
The window has closed. The chequebook is shut. Now Alonso must find solutions with what he has – and prove that the midfield Chelsea built by accident can still carry them through a season that will not wait for reinforcements.






