Red Bull team principal Christian Horner has broken his silence on Adrian Newey’s move to Aston Martin with a sly dig. Aston Martin caused ripples in the world of Formula One after announcing the arrival of design legend Newey on Tuesday. The British car manufacturers have signed Newey to a jaw-dropping deal worth a reported £30million a year as they look to muscle their way up to the top. Newey had been with Red Bull since 2006 after designing championship-winning Formula One cars for Williams and McLaren while his RB19 is the most successful Formula One car in history, winning 21 out of the …