Geoff Shackelford
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geoffshac.bsky.social
Geoff Shackelford
@geoffshac.bsky.social
Fall golf has its moments! Fantastic winners and finishes across the globe, plus off-course news that isn't particularly shocking: the Chevron is moving after three years in the burbs, and the PGA Tour wildly overpaid its commissioner. quadrilateral.substack.com/p/weekend-fi...
Weekend: Fitzpatrick's Salvaged Season
Former U.S. Open champion holds off McIlroy to complete late season turnaround. Plus, Schenk pulls out crazy ploys to win, Grant takes The Annika, Thomas's back surgery, and the Chevron is moving.
quadrilateral.substack.com
November 17, 2025 at 1:44 AM
Somebody had to explain the difference between a "view" and hours of millions watching a telecast. That and other news and notes from the world of majors... quadrilateral.substack.com/p/majors-new...
Major(s) News & Notes, November 13, 2025
Views vs. average audience silliness. Plus, The McIlroy Award is announced, Old Course work is underway, Quotables, This, That and Reads.
quadrilateral.substack.com
November 13, 2025 at 7:49 PM
Two nice guys win and the once-promising Hataoka rises again. Plus lots of Ryder Cup news and the latest on Mickelson's war with the world. quadrilateral.substack.com/p/weekend-gr...
Weekend: Griffin, Rai Continue To Ascend
Plus, Luke Donald's considering a Ryder Cup trifecta and sounds interested in returning to Captain at Adare Manor. And Mickelson hires a defamation attorney as more embarrassing chats are revealed.
quadrilateral.substack.com
November 10, 2025 at 3:57 AM
Heavy on the Ryder Cup captaincy talk, remembering Judy Bell, and also acknowledging the LIV move to 72 holes because we have to. News and notes fro Nov. 6:
Major(s) News & Notes November 6th, 2025
LXXII golf arrives. Plus, Rose will not Captain in '27, GMac throws his name into the pursuit, the late Judy Bell, Quotables and Reads.
open.substack.com
November 6, 2025 at 7:03 PM
My take on the announced changes/modifications/enhancements/improvements to the Old Course. quadrilateral.substack.com/p/old-course...
Old Course Changes Coming Ahead Of The 155th Open
Added length, new bunkers, and an overdue restoration of the 16th fairway are among the enhancements to be implemented while irrigation system updates are made.
quadrilateral.substack.com
October 28, 2025 at 6:18 PM
Thailand (and ASU's) Laopakdee makes five birdies coming home and another three in sudden death to book spots in the Masters and Open. quadrilateral.substack.com/p/laopakdee-...
Laopakdee Books Masters And Birkdale Trips
ASU Junior comes from six back to win the Asia-Pacific Amateur. Plus, Ridley and Darbon discuss Ryder Cup, while Peter Dawson talks OWGR and LIV.
quadrilateral.substack.com
October 27, 2025 at 2:26 AM
Notes on Kapalua's cancellation, Keegan Bradley, Jack Nicklaus's most lucrative winner's check and a bunch of Reads. quadrilateral.substack.com/p/majors-new...
Major(s) News & Notes October 23, 2025
Venues matter. Plus, Bradley shares his post-Ryder Cup emotions and then some, Nicklaus wins $50 million verdict, Asia Pacific Am preview, and Reads.
quadrilateral.substack.com
October 23, 2025 at 3:27 AM
The Ryder Cup continues to provide plenty to think and argue about! That and notes on the Walker Cup, Nicklaus v. Milstein and much more. quadrilateral.substack.com/p/majors-new...
Major(s) News & Notes, October 16th, 2025
More Ryder Cup fallout from McIlroy, Donald and Hovland. Plus, Robertson to Captain GB&I again, Nicklaus v. Milstein at trial, Quotables, This, That and Reads.
quadrilateral.substack.com
October 16, 2025 at 4:51 PM
Reposted by Geoff Shackelford
A seventh back surgery for Tiger. This one in the area above the spinal fusion which led to his 2019 Masters win. Disk replacement is typically a 3 month recovery

www.si.com/golf/tiger-w...
Tiger Woods Announces Another Back Surgery
Woods said on social media that he had lumbar disc replacement surgery on Friday. It is the seventh back surgery of his career.
www.si.com
October 12, 2025 at 2:44 PM
I'm a week late wishing the impregnable quadrilateral a happy 95th. The accomplishment that led to the naming of my newsletter: quadrilateral.substack.com/p/happy-bela...
Happy Belated 95th, Impregnable Quadrilateral
Ryder Cup weekend marked 95 years since Bobby Jones clinched the "Grand Slam" consisting of the U.S. Open, U.S. Amateur, The Open and The Amateur.
quadrilateral.substack.com
October 7, 2025 at 2:58 AM
Wrapping the weekend’s latest Ryder Cup reveals and a rain-shortened event in St Andrews. quadrilateral.substack.com/p/weekend-ma...
Weekend: MacIntyre Wins The Dunhill
Hatton also plays well in weather-shortened event. Plus, Europe was prepared to stop Ryder Cup play, Rea apologizes to PGA members as new karaoke claim emerges, and should the PGA sell the event?
quadrilateral.substack.com
October 6, 2025 at 3:24 PM
So many point missers that the PGA essentially got their own edition post-Ryder Cup. Congrats! What an embarrassment the org continues to be days after the event. quadrilateral.substack.com/p/point-miss...
(Point) Missers Part 2, 2025 Ryder Cup
The PGA of America really did it this time.
quadrilateral.substack.com
October 2, 2025 at 6:56 PM
First of two parts because there was that much point missing at the 45th Ryder Cup. quadrilateral.substack.com/p/point-miss...
(Point) Missers Part I, 2025 Ryder Cup
This edition deals with the play and other nonsense, while Part II carves out a first-ever second volume devoted to the handling of the 45th matches.
quadrilateral.substack.com
October 2, 2025 at 1:39 AM
My final dispatch from Bethpage covers everything from America’s comeback, to Rory v. Scottie, to the hotel renovation performed by two-time winning Captain Luke Donald. quadrilateral.substack.com/p/europe-ret...
Europe Retains The Ryder Cup
USA stages a brilliant singles comeback before Shane Lowry's 18th hole birdie clinches a tie followed by Tyrrell Hatton's halve to win at Bethpage, 15-13.
quadrilateral.substack.com
September 29, 2025 at 1:34 AM
Today's report from Bethpage where we finally have matches to chew on! It all starts in a few hours, thankfully. quadrilateral.substack.com/p/thursday-a...
Thursday At The 45th Ryder Cup
Captains Bradley and Donald announce Friday's foursomes matches. Plus, Quotables, Larry Nelson, Course Diaries, and Weather.
quadrilateral.substack.com
September 25, 2025 at 11:13 PM
Another busy day at Bethpage as weather upends the schedule and players offer a range of insights. quadrilateral.substack.com/p/tuesday-at...
Tuesday At The 45th Ryder Cup
Opening Ceremony moved up a day due to weather. Plus, Quotables, Europe's latest video drops, NBC and SiriusXM coverage plans, and the latest forecast.
quadrilateral.substack.com
September 23, 2025 at 11:48 PM
Everything and then some about Bethpage Black and how it will play as a match play course this week. quadrilateral.substack.com/p/course-pre...
Course Preview: Bethpage Black
The Ryder Cup venue will play a huge role in the excitement and outcome of the 45th playing.
quadrilateral.substack.com
September 22, 2025 at 4:16 PM
Part 2 of my look at the increasingly strange dynamics of putt concessions, particularly when it involves Americans not used to match play and playing in front of home fans. quadrilateral.substack.com/p/concession...
Concession Crankiness, Part 2
The psychology and history of gimmes in big-time match play as the 45th Ryder Cup approaches.
quadrilateral.substack.com
September 19, 2025 at 5:47 PM
Kicking off the Ryder Cup countdown with a look at all of the antics over grown men not receiving a freebie! Why is it always Americans who act up? quadrilateral.substack.com/p/concession...
Concession Crankiness
Recent Ryder Cup dramatics surrounding putts not given appears to be an American phenomenon that is all quite funny--except to some of the world's best golfers who feel entitled to freebies.
quadrilateral.substack.com
September 18, 2025 at 4:35 AM
My attempt at analyzing what Augusta National is thinking with its addition of Amazon Prime Video to its growing list of partnerships. quadrilateral.substack.com/p/augusta-na...
Augusta National's Prime Play
The Masters adds four hours of weekday coverage on Amazon's streaming platform one year after creating exclusive(ish) weekend windows on Paramount+.
quadrilateral.substack.com
September 16, 2025 at 6:26 PM
Never too soon to start looking ahead to the next time Cypress Point hosts. quadrilateral.substack.com/p/preview-th...
Preview: The 2068 Walker Cup
The matches turn up at Cypress Point and look different in a few ways since the 50th playing.
quadrilateral.substack.com
September 12, 2025 at 7:06 PM
A mellower takeaways edition from the 50th Walker Cup. quadrilateral.substack.com/p/what-the-5...
What The 50th Walker Cup Reinforced
Things we learned from the matches at Cypress Point.
quadrilateral.substack.com
September 11, 2025 at 6:06 PM