The rough at U.S. Opens always gets all the attention, and rightfully so.

But the greens at this year's Open at Winged Foot? They are SOOOO tough.

There are undulating hills, sometimes multiple ones on one hole. The ground is hard as a rock, punishing a miss by sending a ball far away. Extreme creativity ends up being rewarded, but it's enough to make your mind melt.

Let's start with a shot from Friday that punished Bubba Watson (who actually ended up having a pretty good second round with a 1-under). Some serious creativity ... but down it went backwards. Yikes.

And...