Yardage book

February 1st, 2026

Tour pro explains reason for Farmers Open DQ, and it’ll make you respect him even more

Michael Brennan, who is being showered with praise in his Instagram comment section for coming clean, called it a “painful” lesson to learn.

January 30th, 2026

PGA Tour player DQ’d from Farmers Open for using non-conforming yardage book

In a brief statement, the PGA Tour announced in the evening that Michael Brennan had been disqualified for a breach of Model Local Rule G-11 because he used “non-permitted green-reading materials”.

December 19th, 2022

Cracking the code

Months of hard work led to my first major. Here’s what you can learn.

March 16th, 2017

Arnold Palmer’s handwritten Masters yardage book is a sight to behold

Handwritten and stapled by Palmer himself, the attention to detail and crude mathematics are testament to a player dedicated to his craft