Golf's greatest howlers revisited

Question

When Dustin Johnson grounded his club at the PGA Championship this week to cause himself a two stroke penalty, he was only the latest in a long line of players who had suffered under the sometimes bizarrely stringent rules of golf. Here's a recap of some of the more famous foul-ups.

http://blogs.bettor.com/Dustin-Johnsons-blunder-latest-in-long-line-of-fairway-fiascos-a22109