Horner regrets missing chance to sign Piastri to Red Bull F1 junior team

Reigning Formula 2 champion Piastri will make his F1 debut with McLaren next year after finding himself at the heart of a contract saga in recent weeks involving both McLaren and Alpine.

Piastri rose through the junior ranks as part of Alpine’s academy, but the team was found not to have a valid contract in place with him for an F1 drive in 2023.

The saga was the biggest talking point in F1 over the summer, with Horner previously saying there was “something not…