Newey 'big piece' of puzzle that was missing at Aston Martin - Stroll
Aston Martin team owner Lawrence Stroll tells BBC Sport's Joe Wilson that designer Adrian Newey is the "big piece of the puzzle that was missing".
Newey, regarded as the greatest F1 designer in history, has joined Aston Martin with the title of managing technical partner.
READ MORE: F1 design great Newey joins Aston Martin