By Daniel Moxon Max Verstappen said Adrian Newey’s presence remains a “massive boost” to Red Bull. The Dutchman’s statement, made ahead of this weekend’s Japanese Grand Prix, is a clear indicator that he would like his team to convince Newey to stay. That may be easier said than done, however, with Aston Martin throwing a huge sum of money at the legendary car designer. Newey, 65, has been one of the central cogs in the Red Bull machine since he joined in 2006 and has built seven title-winning cars to date. Billionaire Lawrence Stroll has huge ambitions for his Aston Martin team and thinks New…