Dexter Macham Patterson is a British racing driver currently competing in the British Touring Car Championship for ROKiT Racing with Un-Limited Motorsport. He was a member of the Sauber Junior Team from 2019 until early 2021. From Wikipedia
He will debut in the Cupra Leon at Croft after replacing Max Hall following One Motorsport’s pause of Honda entries due to owner Steve Dudman’s health issues.