It's the U.S. Open. Many greens will be missed. But on a typical U.S. Open venue, players would reach for a lofted wedge and play aerially toward the hole. This week, viewers will see pros grab their putter from off the green. Here's why and how they'll do it. Plus, a bonus tip on how to play a greenside recovery shot from the kind of thick rough we normally see at a U.S. Open.