The U.S. Open has traditionally been the most strenuous of the four majors, and this week's championship at Pinehurst No. 2 will be another of those.
That world-famous course in the Sandhills of North Carolina will put up a stern test for the 156 players who have either qualified or were exempted into the field.
Here's a look at some things to keep an eye on as the championship unfolds. Things like pretenders, contenders and even some players who might come from out of nowhere to be major factors.
And all in an effort to help those of you who might be considering a wager or two for entertainment purposes.