By Rich Jones Jon Rahm has said “thank you” to Rory McIlroy, Tiger Woods and Patrick Cantlay in a parting message after confirming his switch to LIV Golf. The Masters champion and Ryder Cup hero has become the latest superstar to leave the PGA Tour for the rebel Saudi golf league in another landmark moment for the sport. Rahm is expected to earn up to £450million in a huge move while the feuding organisations are still ironing out details of a merger. The sport has been dominated by in-fighting and political division since the foundation of LIV Golf and the millions they offered convincing sev…