Former Formula 1 driver and Sky Sports analyst Karun Chandhok has urged Red Bull to make a "big name signing" to avoid more key personnel exits.<br>Four-time champion Max Verstappen's race engineer Gianpiero (GP) Lambiase is the latest high-profile figure to announce his exit from the Milton Keynes outfit, with the Briton moving to McLaren as chief racing officer by 2028.<br>While discussing ...<a class='more' href='https://www.motorsport.com/f1/news/gianpiero-lambiase-exit-sparks-red-bull-warning-from-karun-chandhok/10814072/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>