THE simmering feud between golf rivals Rory McIlroy and Bryson DeChambeau is about to be turned up at this week’s Open.

The superstars from opposite sides of the Atlantic are set to collide on the course at Royal Portrush.

And with the Ryder Cup in New York fast approaching this autumn, there will be more fireworks to come. 

The rivalry has yet to explode into all-out animosity. But there is a growing sense of tension between the two protagonists – USA v Europe; the PGA Tour v LIV Golf; the artist v the scientist.

The friction first became apparent during the US Open last year, when McIlroy’s dramatic collapse over the closing holes opened the door for DeChambeau to win.

The man from Northern Ireland reportedly left the course without stopping to congratulate DeChambeau, only doing so on Instagram a day later.

Things soured even further in December last year, when they met in Las Vegas for the Showdown, which saw McIlroy team up with Scottie Scheffler for the PGA Tour, to take on DeChambeau and Brooks Koepka from LIV.

The pair met on the range before the event and McIlroy told a TV crew: “I’d like to go up against Bryson and try to get him back for what he did to me at the US Open.”

And DeChambeau replied: “Well, to be fair, you kinda did it to yourself.”

McIlroy is thought to have been upset by the quip, which was considered cruel.

The duo then played alongside together in the last pairing of the final round of the Masters in April this year.

McIlroy famously won in a play-off over Justin Rose, after one of the most white-knuckle gut-wrenching final rounds in history.

DeChambeau later gave a sparky response when asked how Rory had coped, saying: “No idea, he didn’t talk to me once all day.”

McIlroy later fired back: “I don’t know what he was expecting. We’re trying to win the Masters. I’m not going to try to be his best mate out there.”

Their rivalry is not yet up there with Ali v Frazier, but it is not going away.

The two are both among the richest and most successful stars of their sport. 

McIlroy’s Masters triumph completed the Grand Slam of all four majors and took him to 44 professional wins, including five major championships.

DeChambeau has managed 14 professional victories, which includes two major titles.

As a result of their achievements on the course, McIlroy’s net worth is estimated to £260m, while DeChambeau has around £145m.

McIlroy owns multiple luxurious properties the world, including a Florida mansion, a house in La Quinta, California mansion, an estate in Northern Ireland, and apartments in New York and Dubai. 

He also has a new mansion being custom made on the exclusive Wentworth estate in Surrey.

DeChambeau recently sold his swanky mansion in Texas to move into another in the same area.

He is rumoured to be dating Lilia Schneider, a college golfer from ndianapolis. They have been pictured sharing a buggy at a LIV event.

DeChambeau had previously dated another college golfer, Hunter Nugent, but she revealed that they had parted in 2022 and that Schneider was now with the American.

He also used to date Sophia Phalen Bertolami who launched her own line of swimwear line with La Isla for a ‘large cup’ bikini wearer.

McIlroy’s love life is equally complicated.

Last year his marriage to wife Erica Stoll looked to be over as they prepared to divorce, before a surprise change of heart and a dramatic U-turn on legal proceedings.

Before that, he spent three years with Danish tennis beauty Caroline Wozniacki before breaking off their engagement in a phone call that lasted just three minutes.

In 2014, McIlroy was romantically linked with Meghan Markle, before she married Prince Harry.

The pair flirted in a video shared on social media, as he helped her take part in the Ice Bucket Challenge, a viral trend adopted by many celebs to raise money for ALS.