American Cameron Young set an imposing clubhouse target on day one of the 150th Open Championship as Rory McIlroy’s delayed return to St Andrews proved well worth the wait.
Making his tournament debut and playing just the sixth major of his career, Young carded eight birdies in a flawless 64, a score only McIlroy has beaten in the opening round of an Open on the Old Course.
McIlroy’s 63 came back in 2010 and was followed by an 80 in terrible weather, while an ankle injury suffered playing football prevented him from defending his Open title at the same venue in 2015.