Six-time major winner Phil Mickelson said the LIV Golf Invitational Series is "here to stay" as he called on the PGA Tour to work with the Saudi-backed series for the good of the sport.
The breakaway circuit launched in June and counts 12 major champions among its players, but the PGA Tour, in a bid to curb the threat, has made sweeping changes including increased purses and an earnings assurance program.
Players who joined the LIV Golf series are no longer eligible to participate in PGA Tour events.
"The PGA Tour, for the last 20 or 30 years have had all the best players in the world.