Rory McIlroy was asked ahead of The Open if he agrees with the idea that “Trackman Golfers” don’t do well at Opens:“No, I wouldn't totally agree with that. I think that TrackMan or any launch monitor, it's a very useful tool. I think you can get too into the numbers, which then can be detrimental. I think, yeah, TrackMan can be very useful. It can be -- I think it can actually help you with the feel of your golf swing at times.“If you see a certain number on TrackMan, it gives you a feeling of w