PGA tour data and strategy coach, previously: Trailblazers TV analyst, Utah Jazz director of analytics

Joined May 2018
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I've spent the last 4 years building analytics tools for PGA Tour pros. Course strategy. Dispersion profiles. Practice plans. Today I'm launching the same engine for competitive amateurs. TourIQ iOS app is live in the App Store. Here's what it does 🧵
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Happy SpaceX IPO day to all who celebrate 🥲
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luckily for math, doesn't matter much what you think Fox is career 75% FT shooter. so ~1.5 pt EV on getting fouled the rough prob on the layup decision is p(make)*2 p(fouled) * 0.75 ... if we give a 65% chance he makes the layup, and a 15% chance he's fouled, that's 1.41 pts
I think Fox would’ve missed at least one of the two free throws 🤷‍♂️
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criticizing De'Aaron Fox for the EOG layup is just hindsight bias alive and well. the EV of that decision is ~the same as dribbling it out and getting fouled 2 seconds later. We wouldn't hear any pundits critiquing the decision if he got fouled for and-1.
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This is a PGA tour players’ speed drill today getting ready for the RBC Canadian Open. Varying breaks and uphill/downhill from 30-50 feet. 7 foot TOTAL proximity in 9 holes. Practice your lag putting kids!
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👀 🦃
Virginia Tech is hiring a Director of Front Office Analytics and Strategy. “This role will lead the integration of data science and artificial intelligence…providing actionable insights that directly impact financial strategy and competitive advantage.”
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When is the last time you practiced lag putting? Hint: probably not recently enough.
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"That is where confidence comes from. Not the range. The data." Well said, Drake. 🤝
I have caddied on Tour and the Korn Ferry Tour. Here are some things I did for my player that you can use in your own game. Note the amount of rollout on every green. When you hit an 8 iron, find your divot, walk off the distance to where the ball ended up. Write it down. That information becomes gold later in the round. Know where you putt best from. A putt that breaks slightly right to left is often easier to manage than a straight one. When you have options on approach, favor the side that gives you the putt you like. Plan your round the night before. Wind direction is on your weather app right now. If you know your course you can decide how you are going to play each hole before you ever get there. No decision fatigue on the course. You just execute. Chart your iron shots. Iron you hit. Wind direction. How far it flew. Find your divot, walk it off from where you measured, write down the number. Do it every round for a few months and you will know your distances better than you ever have. This sounds like a lot. It is at first. But once you start thinking this way you stop guessing. You stop second guessing your club choice on the 14th hole with water left. You step in with a number you trust and a plan you already made. That is where confidence comes from. Not the range. The data.
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couldn't agree more Drake! touriqgolf.com

Want to get better at golf? Capture the data from you round, even your thoughts, club selections, course management etc. Roll the data and observations into your next practice session. Repeat. This is the process.
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Cory Jez retweeted
Just found out about recency bias, it's gotta be the best and most interesting kind of bias
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Dispersion over everything. If we hit it exactly where we aimed every time, then, well… we’d hit it exactly where we aimed every time.
My guess is that he was aiming middle, trying to hit the same shot as yesterday, but committed to getting his lower body through it more (unlike yesterday). Left the face open, but hit it harder adrenaline cooking. Accidentally perfect.
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Cory Jez retweeted
getting asked if any draft prospect will be good in the NFL:
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not all metrics stabilize at the same rate. in golf... Ball speed: probably about this same sample size works. SG Putting: ummmm we're gonna need some more data.
For everyone saying "small sample" yesterday. It took 7 competitive swings for bat speed to become reliable across 579 batters in 2025.
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awesome to see people jumping in and building out their dispersion profiles - our launch monitor photo recognition makes this very easy to upload shots into TourIQ and profile your whole bag.
Replying to @JezData
Nice, looks like my circle tight and I really need to find something I can hit from 260-290 out.
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I've spent the last 4 years building analytics tools for PGA Tour pros. Course strategy. Dispersion profiles. Practice plans. Today I'm launching the same engine for competitive amateurs. TourIQ iOS app is live in the App Store. Here's what it does 🧵
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I'm heading to Augusta next week, privileged enough to be working with 7 players in the Masters field. This is the same analytical framework they use — built for your game.
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Download TourIQ iOS → apps.apple.com/us/app/touriq… Seven day trial totally free if you want to test. If you like it, an App Store review would go a long way. We just launched and early reviews help other golfers find us. If you have questions, DM me or reach out: cory@tour-iq.com

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enjoyed chatting with LKD on the "push it or not" decision that we help pros digest every week. takeaway: its not always as simple as where your driver would land -- lots of times it has to do with green complexes and interesting pin locations!
Replying to @LukeKerrDineen
Some great info from @JezData about when laying back off the tee makes sense on certain holes
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