Rory McIlroy has been hailed as the best player of his generation by PGA Tour favorite Billy Horschel, who defeated the golf superstar in a playoff earlier this year

While Rory McIlroy sees a world where Saudi Arabia's Public Investment Fund and PGA Tour Enterprises come together via investment by the end of the calendar year, he does not expect the PGA Tour itself and LIV Golf to join forces -- at least not in the foreseeable future.

Billy Horschel is close friends with PGA Tour rival Rory McIlroy, who he says is the best golfer of his generation, after the duo contested a tight BMW PGA Championship last season

Rory McIlroy, Scottie Scheffler, Bryson DeChambeau and Brooks Koepka are all set to capitlize financially when the four stars face off in a matchplay contest in Las Vegas later this year. Dubbed 'The Showdown',

Rory McIlroy and Scottie Scheffler are the favorites to win "The Showdown", their upcoming match against Bryson DeChambeau and Brooks Koepka.

Crucially, the event has been promoted by LIV Golf. A graphic has been created and shared by the Saudi tour of the four participants, including the PGA Tour golfers, the first promotion of their rivals of any kind by LIV Golf.