Chelsea’s Costliest Non-Events: The BlueCo Misfires

Carney Chukwuemeka arrived at Stamford Bridge as a statement of intent. Fresh from driving England’s Under-19s to European glory and prised from Aston Villa for £20m in 2022, he was supposed to be one of the pillars of the new era. Instead, his Chelsea career barely flickered. Injuries stalled him. Managers overlooked him. Two-and-a-half years drifted by with just 32 appearances before he slipped away to Borussia Dortmund last summer, initially on loan. For all the hype, his time in blue never really started.

Christopher Nkunku’s story carried even more weight. Chelsea moved early and decisively, dropping £52m on the prolific RB Leipzig forward in 2023, convinced they had secured the man to lead their attack for years. The plan lasted about as long as pre-season. A serious knee injury, suffered almost as soon as he joined up with the squad, wiped out half of 2023-24 and set a grim tone. When he finally returned, the team had moved on without him. Cole Palmer had seized the spotlight, and Nkunku never truly caught up. By the time he was sold to AC Milan last summer, he had only 27 Premier League appearances to his name and very little to show for the fanfare.

Then came the curveball: Alejandro Garnacho from Manchester United. Chelsea saw a market opening, moved quickly, and paid £40m for a winger frozen out by Ruben Amorim. On paper, it was a shrewd raid on a rival. On grass, it was a dead end. The electric, fearless wide man who had lit up Old Trafford never appeared in west London. Garnacho looked stripped of confidence, drifting through games on the left without impact, unable to nail down a starting place under either Enzo Maresca or Liam Rosenior. The performances blurred into one long, forgettable spell. Chelsea now want around £43-£45m to move him on. They’ll do well to get close.

Pierre-Emerick Aubameyang’s Chelsea chapter was doomed almost before it began. Signed from Barcelona at Thomas Tuchel’s request in the summer of 2022, he made his debut one day before Tuchel was sacked. The project he had been bought for vanished overnight. Graham Potter never truly trusted him. Minutes dried up. Eventually, he was frozen out entirely, his brief spell reduced to 21 appearances and three goals before he left on a free to Marseille. A marquee name, a minimal impact, and a season that barely registered.

Kalidou Koulibaly looked like the grown-up in the room when he arrived in 2022. A defensive colossus at Napoli, he was billed as the leader to steady Chelsea’s back line in the first BlueCo window. Instead, he was swallowed by the chaos. Managerial churn, a team in flux, and a handful of high-profile errors left the Senegal international struggling to impose himself. The transformative presence never materialised. After just one season, Chelsea cut their losses and sold him to Al-Hilal, one of the early big names to join the Saudi exodus.

Raheem Sterling’s move should have been the blockbuster that launched a new era with conviction. A serial title-winner at Manchester City, signed for £47.5m, he arrived as a proven Premier League finisher and a ready-made leader. The reality was a slow fade. Two underwhelming campaigns later, Maresca sent him to the infamous “bomb squad” and off he went on an unsuccessful loan to Arsenal in 2024-25. When he returned in the summer of 2025, nothing had changed. Still out in the cold, he eventually agreed to a contract termination in January 2026. By then, it had been 18 months since he last pulled on a Chelsea shirt.

Joao Felix’s Chelsea story came in two acts, neither of them worth the effort. BlueCo wanted him so much they signed him twice. In hindsight, they shouldn’t have bothered once. He first arrived on loan from Atletico Madrid in that wild January 2023 window, his talent obvious but his inconsistency just as clear. The red card on debut against Fulham should have served as a warning. It didn’t. Chelsea brought him back in 2024 after a productive spell at Barcelona, hoping a different version would turn up. It didn’t. Half a season under Maresca, no lasting imprint, and he was off again, this time on loan to AC Milan before sealing a permanent move to Al-Nassr in the summer of 2025. Two separate bets, one familiar outcome.

Facundo Buonanotte’s time at Chelsea barely registered. Signed on loan from Brighton late in the 2025 summer window, he looked like a depth piece for Maresca, a low-risk addition to pad out the attacking options. He ended up with just eight appearances, only one of them in the Premier League. Often not even in the matchday squad, he saw his loan cut short in January. A similarly flat half-season at Leeds followed. If you blinked, you missed his Chelsea career entirely.

Deivid Washington’s name rarely surfaces in discussions about Chelsea’s rebuild, yet he cost £17m when he arrived from Santos in 2023-24 as part of the long-contract youth wave. Three first-team appearances in three years tell the story. Most of his time has been spent in the development squad. A loan back to Santos in 2025 offered a chance to reset, but he returned without having made a dent there either. Now 21, he remains on the books but clearly sits outside any serious long-term plans. A permanent exit feels inevitable, and soon.

Then there is Mykhailo Mudryk, the most expensive and most haunting case of all. Chelsea beat off fierce competition to sign him from Shakhtar Donetsk for £89m in January 2023, a deal that electrified the fanbase. They thought they were getting a fearless, turbo-charged winger to define the next decade. What followed was a nightmare. The exuberance that dazzled in Ukraine never translated. Mudryk drifted in and out of teams under a succession of managers, struggling to find rhythm or confidence. In November 2024, the story took a darker turn when he was provisionally suspended over a doping offence. He has not played since. In April 2026, the Football Association handed him the maximum four-year anti-doping ban. Mudryk has appealed and reportedly believes he might yet return in 2026-27. But with his Chelsea career already scarred by inconsistency and now overshadowed by suspension, the more pressing question is not when he plays again, but whether Stamford Bridge will ever be his stage at all.