Oscar Piastri was left fuming after slight contact with teammate Lando Norris at the Singapore Grand Prix start forced him wide, with McLaren refusing his demand to swap the positions back. The incident overshadowed the team's constructors' championship celebration and raised fresh questions about team dynamics at the height of a drivers' title fight.
The clash came on the opening lap at Marina Bay on October 5, 2025. Starting fifth, Norris got a strong launch and drew alongside Piastri challenging for third into Turn 3. But the Briton made slight contact with the rear of Max Verstappen's Red Bull ahead, which pitched him into the side of Piastri's car. Piastri was forced wide, nearly into the barriers, and dropped to fourth, where he would remain for all 62 laps. Over the team radio he vented his frustration, calling the move not fair and indicating the team should order the positions swapped, as had happened in his favour at previous races. McLaren refused, and the stewards cleared the contact as a racing incident, judging that Norris had been trying to avoid Verstappen in the melee.
Norris went on to finish third, one place ahead of Piastri, with George Russell converting pole position into victory ahead of Verstappen. On a night when McLaren clinched its second consecutive Constructors' Championship, the first back-to-back titles since 1990 and 1991, with six rounds to spare, the talk of the paddock was the falling-out between its drivers. The result cut Piastri's championship lead over Norris to just 22 points, with both men chasing their first drivers' crown.
The tension did not dissipate quickly. At the following United States Grand Prix, Norris revealed that the team had held him accountable for the incident and that there would be consequences, though he declined to detail them. Piastri said the team had been very clear that the Singapore incident was not how they wanted to go racing, while insisting there would be no change to the team's papaya rules of engagement. A fan poll found 64 percent believed Norris should have been told to hand the place back. For McLaren, the episode was the paradox of dominance: a championship secured in emphatic style, overshadowed by the fear that the fight between its own drivers might tear apart the tightest team in the pit lane.
The sense of grievance was sharpened by recent history between the pair. Just weeks earlier, at the Italian Grand Prix, Piastri had been ordered to give up his position to Norris after the Briton suffered a slow pit stop, an instruction he obeyed in the name of team fairness. That McLaren declined to return the favour in Singapore, when the positions had been gained through contact, was precisely what stung. When pressed by media at the following race about the repercussions he faced, Norris was terse, telling reporters the matter had nothing to do with them. Both drivers insisted the papaya rules survived intact, but the episode left little doubt that the first genuine drivers' title fight between teammates in years would test McLaren's philosophy to its limits.