The Tool Desk
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Harry Diamond’s estimated share is about $420,000, assuming the commonly reported 10% winning-caddie bonus is applied to Rory McIlroy’s $4.2 million Masters prize. That figure is a calculation, not a confirmed payment: Diamond’s individual compensation agreement has not been made public in the cited reporting.
How the $420,000 estimate is calculated
The PGA Tour listed a $4.2 million winner’s share from the 2025 Masters’ $21 million purse. Golf Monthly describes a winning caddie’s customary bonus as about 10% of the player’s prize. Applying that reported convention to McIlroy’s prize gives:
$4,200,000 × 0.10 = $420,000
The calculation assumes Diamond’s bonus followed that convention. It does not establish the terms of his agreement or the amount he received. PGA Tour tournament notes; Golf Monthly.
What is confirmed—and what is not
McIlroy won the 2025 Masters in a playoff against Justin Rose. The PGA Tour’s tournament notes report the $21 million purse and $4.2 million winner’s share; BBC Sport also reported the winner’s prize and noted that McIlroy credited his caddie and childhood friend, Harry Diamond, after the winning putt. BBC Sport’s Masters report.
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#1 Best Overall
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TaylorMade Golf Spider X Black Putter #3 Right Hand 35 Inches
- Made famous by Rory McIlroy, the sought-after Spider X shape combines the performance of a blade with the benefits of a mallet design.
- The patented alignment system provides visual clarity and helps golfers better envision the line to the hole.
- TSS weights provide balanced weighting and help optimize performance for all various putter lengths.
- The durable PVD coating creates a beautiful high-quality finish with sole plate, back badge and copper accents.
- Confirmed tournament figures: a $21 million purse and a $4.2 million winner’s share, as reported by the PGA Tour for the 2025 event.
- Reported convention: Golf Monthly and CBS News describe caddie compensation that can include a winning bonus commonly around 10% of a player’s prize. This is a reported norm, not a rule or proof of an individual deal. CBS News.
- Not publicly established in these reports: Diamond’s exact bonus, contract terms, salary, or total payment for the tournament.
Why the estimate is not a confirmed payment
Caddie compensation arrangements are private and can vary. The 10% figure is useful for estimating a possible winning bonus, but it cannot show what Diamond’s contract specified or whether the final payment matched the calculation. Accordingly, about $420,000 is the estimate supported by the reported prize and customary percentage—not a disclosed figure for Diamond’s earnings.
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Best Value
TaylorMade Golf RORS∙Proto Rory McIlroy Irons 4-PW, RH - Limited Edition (Dynamic Gold 105 Steel Stiff)
- RORS∙PROTO Details RORS PROTO irons take on a small, sleek profile that offers unmatched feel and workability. Made of 1025 carbon steel, they undergo a multi-step forging process to ensure precise shaping for further enhanced feel and responsiveness. A horizontally milled channel in the cavity separates mass on the vertical axis for precise inertia and trajectory control.
- RORY'S HEADS, YOUR SPEC Inspired by P·730 irons, the RORS∙PROTO 7-iron and 8-iron have a thinner top line, which is Rory’s visual preference. Instead of the MX9 grooves found in P·730, RORS∙PROTO irons have TW2 grooves which are used in P·7TW irons. Rory feels these grooves provide him better spin out of the rough. From May 1 to May 15, you can claim your part of history with RORS∙PROTO irons built to your exact spec.
- GRAND SLAM HISTORY Since becoming part of Team TaylorMade in 2017, Rory McIlroy has played a single set of irons. In that span, he’s used his RORS∙PROTO irons to capture 18 PGA Tour wins, including two Tour Championships, and a career Grand Slam.
- Since becoming part of Team TaylorMade in 2017 Rory McIlroy has played a single set of irons, RORS∙PROTO. In that span, he’s used his RORS∙PROTO irons to capture 18 PGA Tour wins, including two Tour Championships, two Players Championships, two Ryder Cup victories, and a win at Augusta to complete the career Grand Slam just a few weeks ago.
Rank #4
GForce Swing Trainer 7 Iron NXT-GEN, Used by Rory McIlroy, Named Golf Monthly Editor’s Choice, Super Flexible Shaft, Tempo, Rhythm, Transition, Timing + USGA Legal (Right)
- NEW IMPROVED, Now USGA Legal & Standard Weight Version ✔️ 1.07 lbs / 487g Just Like Your Regular 7 Iron, so transition from swing trainer to regular club is seamless. Competitors are twice the weight & can cause TIMING issues. Don't settle for anything heavier than a GFORCE. The GFORCE Super Flexible Shaft Trains The Correct Loading & Unloading of the shaft Improving TIMING, Swing Path & Delivery Position For More Ball Control
- IMPROVES TRANSITION & TIMING ✔️ Flexible shaft develops a smoother transition which prevents casting and over the top swings. Amateur golfers load the shaft too much in transition with the GForce Swing Trainer compared to professional golfers. Try feeling like you are keeping the shaft firm in transition as this will indicate improved sequencing.
- IMPROVES SEQUENCING ✔️ Sequencing means getting everything in the right order on the down swing transferring energy from the body into the club head. Most amateur golfers swing to hard from the top of the swing in transition releasing the club to early. Good players unwind from the ground up LEGS, HIPS, TORSO, ARMS & CLUB HEAD! Amateurs do it the opposite way around.
- DEVELOPS RHYTHM & TEMPO ✔️ The flexible shaft makes you more aware of the weight of the club head helping to develop a pendulum swing. As the body rotates out of the way on the back swing the arms swing back and the same on the follow through. This creates a pendulum swinging motion which improves rhythm & tempo. A feeling of awkwardness and loss of balance would tell you if it is wrong. Try swinging continually for 20 swings without loosing balance.
- ELIMINATES SLICES ✔️ The No.1 fault in golf caused by over the top out to in swing path. Over the top swings are caused by poor transition & sequencing
Rank #3
Rory Mcilroy Swinging Golf Club Wearing Cap 24x36 Classic Hollywood Poster
- High-Quality Materials: Our posters are printed on premium materials, ensuring durability and longevity for long-lasting use.
- Unique Collection: Our curated collection features exclusive prints, limited editions, and unique designs, providing a wide range of options for you to choose.
- Timely Production for Superior Quality: We create our posters shortly after purchase, avoiding color quality compromise due to storage. With in-house manufacturing in California, we maintain high standards and deliver fresh, superior-quality products.
- Preserving Image Integrity: Our commitment to quality materials preserves the photographic integrity of the images, allowing you to appreciate the photo's beauty and detail as intended.
Rank #2
GForce Swing Trainer 7 Iron (Original) Used by Rory McIlroy, Super Flexible Shaft Training aid for Swing Path Tempo, Rhythm, Transition, Timing (Right Hand)
- The Original GForce Swing Trainer ✔️ As used by Rory McIlroy... The GFORCE Super Flexible Shaft Trains The Correct Loading & Unloading of the shaft Improving TIMING, Swing Path & Delivery Position For More Ball Control.
- IMPROVES TRANSITION & TIMING ✔️ Flexible shaft develops a smoother transition which prevents casting and over the top swings. Amateur golfers load the shaft too much in transition with the GForce Swing Trainer compared to professional golfers. Try feeling like you are keeping the shaft firm in transition as this will indicate improved sequencing.
- IMPROVES SEQUENCING ✔️ Sequencing means getting everything in the right order on the down swing transferring energy from the body into the club head. Most amateur golfers swing to hard from the top of the swing in transition releasing the club to early. Good players unwind from the ground up LEGS, HIPS, TORSO, ARMS & CLUB HEAD! Amateurs do it the opposite way around.
- DEVELOPS RHYTHM & TEMPO ✔️ The flexible shaft makes you more aware of the weight of the club head helping to develop a pendulum swing. As the body rotates out of the way on the back swing the arms swing back and the same on the follow through. This creates a pendulum swinging motion which improves rhythm & tempo. A feeling of awkwardness and loss of balance would tell you if it is wrong. Try swinging continually for 20 swings without loosing balance.
- ELIMINATES SLICES ✔️ The No.1 fault in golf caused by over the top out to in swing path. Over the top swings are caused by poor transition & sequencing
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