Number of Sleeves:
At least three. Not to say that you'll lose a dozen balls. Oakmont has very little water and the caddies are very adept at following errant shots into the thick rough. Seeing as you've shelled out close to $200 for your round, though, it would be a shame.
One of Pittsburgh's Best:
The national historic landmark has played host to several prestigious tournaments over the past century, including seven U.S. Opens.