"I think 'cheating' is not the right word to use, but it's definitely an advantage."

Robert Lusetich on Robert Allenby's view of players using PING Eye 2 wedges to skirt the groove rule change.

"I just believe that even if they are legal, you still shouldn't be using them," said Allenby. "Just because someone has a couple sitting in their garage somewhere or they've got them off eBay or whatever, I just don't think that's the integrity of the game."

"I think 'cheating' is not the right word to use, but it's definitely an advantage."

When told that Mickelson was one of the handful of players -- including Hunter Mahan, John Daly and Dean Wilson -- who have put the 20-year-old wedge in their bags, Allenby appeared stunned.

"Oh, he's using one this week? Well, I have no comment there. I'll be a good boy," said the Australian.