How Much Rory McIlroy’s Caddie Will Earn From 2025 Masters Victory

Rory McIlroy’s long-awaited triumph at the 2025 Masters will go down in history as one of the most significant moments in golf. After securing his first Green Jacket in a tense play-off against Justin Rose, McIlroy completed the career Grand Slam that had eluded him for over a decade. But while the victory was a personal milestone for the Northern Irishman, it was also a major financial windfall for his caddie and childhood friend, Harry Diamond.

McIlroy earned $4.2 million for his win, the largest payout in Masters history, but Diamond’s reward is no small sum either. Caddies typically earn 10 percent of their player’s winnings in major tournaments, which means he is set to receive an impressive $420,000 for his role at Augusta.

It’s a significant amount, but the payout reflects more than just Diamond’s technical expertise; it’s a testament to the unique partnership he shares with McIlroy.

Rory McIlroy & Harry Diamond’s Relationship

They aren’t just golfer and caddie, they are childhood friends

While many caddies form professional relationships with their players, McIlroy and Diamond’s bond is something much deeper. The pair have been friends since childhood, growing up together in Holywood, Northern Ireland. Their personal history is crucial to their success on the course. Diamond is not only a caddie, but also McIlroy’s emotional anchor during some of the most pressure-filled moments in the game. His ability to provide mental support, alongside his technical skills, has been instrumental in McIlroy’s victories over the years.

Rory McIlroy’s 2025 Masters scorecard
Round	Score
Round 1	72
Round 2	66
Round 3	66
Round 4	73
Total	277

For McIlroy, Diamond isn’t just a member of his team; he’s a trusted companion who understands the pressures he faces. This connection has undoubtedly contributed to their success, with Diamond playing an essential role in guiding McIlroy through Augusta’s famously difficult conditions.

While Diamond’s $420,000 payout is a major bonus, it’s not just about the money. It marks the culmination of years of hard work and loyalty. In the high-stakes world of professional golf, caddies often go unnoticed, but Diamond’s contribution to McIlroy’s victory has brought him well-deserved recognition. This Masters win not only secures his financial future, but could also open doors for greater opportunities in the caddie world, potentially leading to lucrative endorsements and further career success.

In addition to the financial rewards, the victory strengthens Diamond’s reputation as one of the most respected caddies in golf. This success might inspire other golfers to consider their own personal connections when choosing a caddie, reshaping the way we think about the caddie-player dynamic in the sport.

McIlroy’s Masters victory isn’t just a career-defining moment for him; it’s also a defining moment for Diamond. Their shared history and deep bond have helped propel both men to the top of the sport. While McIlroy’s triumph is rightfully celebrated, Diamond’s crucial role in the win highlights the often-overlooked importance of caddies in the game of golf.

This victory will undoubtedly strengthen their partnership, proving that in golf, the right caddie is as much a part of the success as the player. With Diamond’s earnings now bolstered by McIlroy’s historic win, this duo’s story will continue to inspire others both on and off the course.