Qualified for his fourth U.S. Open by shooting 7-under 137 in the Columbus, Ohio, sectional at The Lakes Golf & Country Club and Brookside Golf & Country Club. Broke through in November of 2015 to win the World Golf Championships-HSBC Champions to become the first Scot to win a WGC event. He added his second PGA Tour title in August 2016 by edging Jerry Kelly by a stroke in the Travelers Championship. He owns four other worldwide victories. Knox carded a 59 in the second round of the 2013 Albertsons Boise Open on the Web.com Tour. His wife, Andrea Hernandez, is a former Colombian tennis player. His sister, Diane Knox, is a radio host in Glasgow, Scotland.
|2018||Shinnecock Hills Golf Club||73-71-75-69--288||+8||T-12|
|2016||Oakmont Country Club||70-71-73-73--287||+7||T-23|
|2013||Merion Golf Club||69-75-77-74--295||+15||T-45|