American finishes on 15 under, two shots clear of Jordan SpiethOvernight leader Louis Oosthuizen slipped to thirdOne can only wonder what Collin Morikawa’s record might have looked like had he not appreciated the value of education. His arrival in the professional golfing ranks was delayed by four years as he completed a business administration degree at the University of
California.

In making up for lost time Morikawa has now won two major championships in eight starts. He is in danger of depressing the rest of us, given this illustrious CV at the age of 24. Edmund Hillary was 33 when he planted his flag atop Everest.