Golf Tutorials

What Golf Clubs Does Billy Horschel Use?

By Spencer Lanoue
July 24, 2025

Ever watch Billy Horschel stand over a shot with that unmistakable intensity and wonder what gear he trusts to get the job done? You’re not alone. We’re going to break down every club in Billy Horschel’s golf bag, from his powerful new driver to his unique, custom putter. More importantly, we’ll look at the reasons *behind* his choices and what a regular golfer like you can learn from his setup to improve your own game.

Decoding Billy Horschel's What's In The Bag (WITB) in 2024

Unlike many pros who are locked into a single manufacturer, Billy Horschel is currently an equipment free agent. This is fantastic news for us because it means every single club in his bag has earned its spot through rigorous testing and on-course performance, not because of a contract. His bag is a thoughtful blend of precision and forgiveness, tailored perfectly to his aggressive, confident style of play. Let’s take a look.

Driver: Titleist GT2 (9 degrees)

At the top of the bag, Billy puts his trust in the new Titleist GT2 driver. For years, he played the popular TSi3 model, which was known for its adjustability and a more compact, traditional look. His switch to the GT2 tells us something important: he’s currently prioritizing forgiveness and overall performance across the entire face.

The GT models from Titleist represent their push for more speed and stability. The GT2 has a slightly larger footprint than its GT3 and GT4 counterparts, inspiring a little more confidence at address. For Horschel, this means he can swing aggressively - his signature move - without worrying as much about the occasional miss. The technology in the GT2 helps maintain ball speed and spin consistency even on strikes that aren't perfectly centered.

What You Can Learn From Billy's Driver Choice

Many amateur golfers default to the "player's" model that the pros often use, thinking it's the best. Horschel's choice of the more forgiving GT2 over other models is a powerful lesson. He understands that even at his level, a bad driving day can ruin a tournament. Choosing a driver that helps you on your bad swings is smarter than choosing one that only rewards your perfect swings. If you struggle with consistent contact, don't be afraid to test the more forgiving driver in a brand's lineup. Your scorecard will thank you.

Fairway Woods: Titleist TSi2 (15 degrees) & Titleist TSi2 (18 degrees)

Consistent with his theme of reliability, Billy carries two Titleist TSi2 fairway woods. While many pros opt for the lower-spinning, more workable TSi3 model, Horschel again chooses the slightly larger, more forgiving head of the TSi2. These clubs are absolute workhorses known for being incredibly easy to hit off the deck and powerfully consistent off the tee.

  • 3-Wood (15 degrees): This is his secondary-tee club on tight par 4s and his go-to for attacking long par 5s in two. The TSi2 design helps him launch the ball high with ease, which is essential for holding greens from over 250 yards out.
  • 5-Wood (18 degrees): Having an 18-degree wood gives him a versatile weapon for long par 3s and high, soft-landing approach shots into par 5s where a 3-wood might run through the green. It closes a critical distance gap between his 3-wood and his longest iron.

What You Can Learn From Billy's Fairway Woods

Don't overlook the 5-wood! So many amateurs go straight from a 3-wood to a 3 or 4-iron, creating a massive yardage gap that makes long approaches incredibly difficult. A 5-wood is often easier to launch than a low-lofted utility or long iron, making it a "cheat code" club for many handicap levels. Billy knows the value of having the right tool for a specific job, and an 18-degree fairway wood bridges that gap perfectly.

Irons: Titleist T100 (3, 5) & Titleist 620 MB (6-9)

Here is where Billy Horschel’s setup gets truly interesting and provides a masterclass in equipment strategy. He plays a blended or combo set of irons, mixing forgiveness where he needs it and pure feel where he wants it.

  • Long Irons (3, 5): Titleist T100. Horschel actually skips a 4-iron, relying on his woods. For his 3 and 5-iron, he uses the Titleist T100. The T100 is considered a "modern tour iron." It looks like a blade at address but has a hint of cavity-back construction and tungsten weighting packed inside to increase stability and forgiveness. This helps him get the launch and distance he needs on long approach shots without sacrificing a clean look and feel.
  • -
    Short Irons (6-9): Titleist 620 MB
    . From the 6-iron down, Billy transitions into a pure muscle-back blade, the Titleist 620 MB. These irons offer zero forgiveness but provide the ultimate in feel, feedback, and shot-shaping control. For a player of his caliber, these irons allow him to flight the ball down, hit creative fades and draws, and precisely control his distances into the greens.

How You Can Build Your Own Combo Set

Playing a blended set is one of the smartest things an amateur golfer can do! Most of us don't have the "Tour sauce" to consistently pure a 4 or 5-iron that’s a pure blade. Follow Billy’s lead:

  1. Evaluate Your Game: Where do you need help? For most, it's the long irons.
  2. Start Blending: Consider playing more forgiving cavity-back or even hybrid-style irons in your 4, 5, and 6-iron slots.
  3. Embrace Feel: As you move into the scoring clubs (7-iron, 8-iron, 9-iron, Pitching Wedge), you can transition into a player's cavity-back or forged iron that gives you better feel and distance control. You don't have to go full muscle-back like Billy, but you can definitely adapt his philosophy to your own skill level.

Wedges: Titleist Vokey Design SM10 (46, 52, 56, 60 degrees)

When it comes to the scoring clubs, Billy, like so many PGA Tour pros, turns to the master, Bob Vokey. He carries four Titleist Vokey Design SM10 wedges, each with a specific loft and grind to handle any situation inside 130 yards.

  • 46° Pitching Wedge: A Vokey SM10 that perfectly blends the gap from his 9-iron.
  • 52° Gap Wedge: Essential for full shots that need more stopping power than a pitching wedge.
  • 56° Sand Wedge: His go-to club for bunker play and many mid-range pitch shots around the green.
  • 60° Lob Wedge: The final scoring weapon for high, soft flop shots, and delicate shots from tight lies.

What's vital here is not just the club model, but the grinds Horschel uses. Vokey offers different sole grinds (F, M, S, D, K, L) that interact with the turf in unique ways. A grinder will custom-shape the sole of Billy's wedges to fit his exact delivery - how steep or shallow he attacks the ball and the types of courses he plays on.

What You Can Learn From Billy's Wedge Setup

Gapping. Gapping. Gapping. Notice the consistent 4 to 6-degree gaps between his wedges (46, 52, 56, 60). This ensures he has a club for every "in-between" yardage. Take your pitching wedge's loft (you can find it online) and build your set down from there. If your pitching wedge is 45°, a 50° gap wedge, 54° sand wedge, and 58° lob wedge would be a fantastic place to start. A proper wedge fitting can be one of the best investments you make in your game.

Putter: Ping Sigma 2 Arna (Mid-Length)

Finally, we arrive at the most unique club in Billy's bag: a Ping Sigma 2 Arna putter built to a custom mid-length specification (around 37 inches). For years, Horschel has tinkered with counterbalance and belly-style putters - long before the anchoring ban. This mid-length setup is his legal, modern approach to achieving the same stability.

The slightly longer shaft and heavier grip allow him to "anchor" the butt end of the club against his lead forearm. This isn't illegal anchoring (which involves fixing the club to your chest or stomach). It simply creates a more stable triangle with his arms and shoulders, removing any wristy, handsy movement from the stroke. It helps him stay incredibly steady under pressure. The Ping Arna head itself is a mid-mallet that offers good stability and a clean alignment look.

What You Can Learn From Billy's Putter

Find what works for YOU, and don't be afraid to be different. The putting green is a place for results, not conforms. If a traditional 34-inch putter with a standard grip feels shaky, experiment! Try a counterbalanced grip, a different head shape, or even a mid-length approach like Billy's. Confidence on the greens comes from comfort and repeatability, and Billy is proof that the most effective tool isn't always the most conventional one.

Final Thoughts

Billy Horschel's golf bag is the perfect example of a modern professional's toolkit. It’s not just a collection of the newest clubs, it's a strategically assembled set that blends feel with forgiveness, giving him the perfect weapon for every possible shot he might face on the course.

Making these pro-level equipment decisions for your own bag used to feel impossible without private coaching. Whether you're wondering if a combo set is right for you or what lofts you need in your wedges, Caddie AI can provide instant, data-driven recommendations. Imagine you are standing over a tough shot from the rough, you can snap a photo, and our app will analyze the lie and give you smart advice on how to play it. Our goal with the app is to give you that same strategic advantage the pros have, helping you understand the "why" behind each technique and club so you can build a more effective game plan and play with true confidence.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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