Why Did Lucas Herbert's Caddie Use a Rangefinder at The Open? | Golf Rules Explained (2026)

The Rangefinder Riddle: When Golf’s Rules Bend, But Don’t Break

Golf, a sport steeped in tradition, occasionally finds itself at the crossroads of innovation and adherence to its age-old rules. Such was the case when Lucas Herbert’s caddie, Nick Pugh, was spotted using a rangefinder at The Open—a device explicitly banned during competition. What ensued wasn’t just a rules debate; it was a fascinating glimpse into the sport’s evolving relationship with technology, player advocacy, and the human element behind the scenes.

A Moment of Panic, Then Clarity

When Pugh was seen using the rangefinder, the initial reaction was one of alarm. After all, Herbert was on a record-breaking streak, and a two-shot penalty could have derailed his momentum. But what many people don’t realize is that this wasn’t a case of rule-breaking but rather a carefully navigated exception. Pugh had proactively sought approval from the R&A, golf’s governing body, and was given the green light—a detail that I find especially interesting. It highlights the importance of communication and transparency in a sport where rules are often seen as rigid and unyielding.

The LIV Golf Effect

What makes this particularly fascinating is the influence of LIV Golf on the situation. Pugh explained that rangefinders are permitted in LIV events, which likely normalized their use for him. This raises a deeper question: how are the rules of traditional golf circuits adapting to the innovations introduced by newer tours? From my perspective, this incident underscores the growing tension between golf’s historic roots and the modern demands of players and spectators alike.

The Human Factor: Pugh’s Candid Admission

One thing that immediately stands out is Pugh’s candid admission about his eyesight. He’s not just a caddie; he’s a human being with limitations. His explanation that the rangefinder (sans battery) helped him accurately locate Herbert’s long drives was both practical and relatable. Personally, I think this humanizes the role of caddies, often seen as mere bag carriers. They are strategists, advocates, and problem-solvers, working within the rules to give their players every advantage.

The Broader Implications

If you take a step back and think about it, this incident isn’t just about a rangefinder. It’s about the gray areas in golf’s rulebook and how they’re navigated. Pugh’s proactive approach—checking with officials, informing playing partners, and even seeking a second opinion—is a masterclass in professionalism. What this really suggests is that while golf’s rules may seem inflexible, there’s room for interpretation and dialogue.

Looking Ahead: The Future of Golf’s Rules

This raises a provocative question: will golf’s major championships eventually allow rangefinders? The PGA Championship already permits them, and the US Open has shown flexibility in certain cases. In my opinion, it’s only a matter of time before The Open follows suit. Technology is here to stay, and resisting it feels increasingly outdated.

Final Thoughts

As Herbert’s remarkable round at Royal Birkdale reminded us, golf is a sport of precision, strategy, and occasionally, record-breaking moments. But behind every player’s success is a team working tirelessly within the rules—and sometimes, just beyond them. Pugh’s rangefinder wasn’t a cheat; it was a tool used with permission, a testament to the sport’s ability to adapt without compromising its integrity. What many people don’t realize is that these small moments of innovation are what keep golf relevant in a rapidly changing world.

So, the next time you see a caddie pulling out a device, don’t assume the worst. There’s likely a story behind it—one of advocacy, clarity, and the quiet evolution of a sport we all love.

Why Did Lucas Herbert's Caddie Use a Rangefinder at The Open? | Golf Rules Explained (2026)

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