Former Formula 1 driver David Coulthard believes the upcoming Canadian Grand Prix is a "really important weekend, psychologically" for George Russell as he looks to reassert his authority at Mercedes.<br>As Kimi Antonelli extended his lead in the drivers' championship to 20 points over Russell after three consecutive wins in China, Japan and Miami, the pressure is on the Briton.<br>Speaking on the ...<a class='more' href='https://www.motorsport.com/f1/news/george-russell-faces-punch-in-the-gut-warning-amid-kimi-antonelli-pressure/10822660/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-F1&utm_term=News&utm_content=www'>Keep reading</a>