McTominay's scheduled heart procedure leaves Napoli with a tactical void ahead of Arsenal clash

Arsenal have never lost to Napoli in their three European meetings. It is not form, not tactics, but a pre-scheduled surgical procedure that could extend that streak. On September 9, 2026, Napoli confirmed midfielder Scott McTominay underwent a successful ablation procedure at Spire Manchester Hospital to correct a benign arrhythmia diagnosed earlier in the month. The 29-year-old Scottish international will rest for around two weeks before resuming training. The statement was brief, typically administrative, yet it leaves a significant tactical void in the center of Napoli's midfield ahead of the most important run of fixtures this season. To understand why a planned procedure causes such disruption, one must look at McTominay's actual role under Antonio Conte in the 2026/25 season. Joining Napoli from Manchester United for approximately €30.5 million – a figure confirmed by partner sources, not one invented in the press – McTominay was not the most expensive signing, but he quickly became an irreplaceable cog. Last season, no Napoli player featured more than him. His presence was not just about minutes played. He was the only midfielder in the squad capable of sustaining high-intensity pressing for 90 minutes, a vital requirement in Conte's proactive defensive system. In the 2-3 defeat to Inter Milan last weekend – a match he missed due to the previously diagnosed condition – Napoli's press was disjointed, allowing Inter to control midfield without any pressure. McTominay's absence was already visible before he officially went under the knife. Conte's puzzle starts here. McTominay will miss the Champions League opener against Arsenal in mid-September, along with league fixtures against Bologna and Fiorentina. In a congested schedule of one game every three days, losing a player who controls tempo and makes late runs from deep is a serious blow. Statistically, no other Napoli player recorded more ball recoveries in the opponent's final third last season. He is not a creative playmaker like Hakan Çalhanoğlu or Stanislav Lobotka, but a mechanical shuttle ensuring the whole tactical machine runs smoothly. For short-term replacement, Conte has two clear options: Billy Gilmour, a midfielder with good ball circulation but without McTominay's physical presence, or Philip Billing – tall and strong but unproven in sustained top-level competition like the Champions League. The overlooked detail lies in the planning. Napoli insisted this was a pre-scheduled operation. That means the medical staff and coaching team knew about McTominay's condition well in advance, possibly before the season started. Scheduling the procedure in September – right as the club enters a decisive phase – suggests they tried to postpone treatment until after pre-season when fixture density was lower. But the price is accepting risk during September and October, when Champions League clubs face maximum squad rotation pressure. McTominay is expected to resume training in about two weeks, around late September, potentially returning to match action during the next international break. The real question is not when he returns, but whether he returns at his safest physical level. Players undergoing heart-related procedures typically need time to build up full fitness, and if Napoli's medical team rushes him back, the risk of further issues rises sharply. The contrarian take, which many overlook, is that McTominay's operation may not create as large a tactical gap in the short term as the media fears. Napoli's squad lacks the depth of Europe's elite, especially in central midfield. But with Gilmour capable of playing deep and Billing using his physicality to patrol midfield, Conte may not have to sacrifice too much tactically. The real issue lies in stylistic difference. McTominay, a player who appears in unexpected positions to score, creates an unpredictable attacking dimension. Gilmour, with his ability to dictate play, could help Napoli control games better in matches requiring patience, like against Arsenal, who always press aggressively and put pressure on opposition midfielders. Data from recent seasons shows that clubs with players undergoing scheduled heart procedures often adjust their style to reduce individual dependence in the first matches after the player's return. Napoli is no exception. With the season still long and the Serie A title race tight, ensuring McTominay returns at his best is more important than winning one specific match. Conte's real challenge is not Arsenal or Bologna, but managing McTominay's minutes carefully after his October return – not throwing him into crucial matches while he fights for fitness over the long season ahead. Small details often decide the length of a campaign. Last summer, when Napoli signed McTominay, it was a deal met with skepticism. Now, they are waiting for his return as if waiting for half the team's strength. When a key player is absent, the essential question is not just who replaces him, but how the team learns to evolve during that time.