- The Ryder Cup’s ‘envelope rule’ is the worst in sports, and it could have cost the U.S. a victory MSN
- Ryder Cup: US captain Keegan Bradley wants ‘envelope rule’ changed after defeat by Europe BBC
- Ryder Cup dispute breaks out between USA and Europe over obscure rule at Bethpage Black Daily Mail
- Ryder Cup golf: Europe responds to America fans’ abuse NBC News
- Viktor Hovland unable to play in Ryder Cup Singles Ryder Cup