Paddy Lowe suspects Ferrari's use of engine tokens could shift the "balance of power" this weekend.
Pirelli has opted to bring soft and super-soft tyres to three of the next four races.
Full results and timings from all sessions of the 2014 Canadian Grand Prix.
The latest betting tips from the ESPN team, in association with bet365
ESPN UK is looking to discover which city in the UK is the best place to be for sport - and we need you to help us.
Watch every fixture from March Madness LIVE and on-demand with ESPN Player. Available across Europe, subscribe today.
Save 10% off your first order in the ESPNscrum shop. Replica international and club jerseys, official balls and more.