SANDWICH, England: Jordan Spieth gave his big-hitting fellow American Bryson DeChambeau a masterclass in the complexities of links golf as the former champion began his latest British Open campaign in fine style on Thursday (Jul 15). Spieth, who claimed the Claret Jug at Royal Birkdale in 2017 but whose form has slumped, recovered from an early bogey to card a five-under 65 - producing a beautifully controlled round in a moderate breeze around the Royal St George's layout. Playing partner DeChambeau crunched a