I've been playing with a very painful left knee the last few rounds. During the setup, stance, and swing I feel no pain or impingement. It's after the swing when the pain increases. I limp to the next shot, then just about at address the pain starts to disappear.. then I do it all over again.

My doctor told me I will need knee replacement surgery when I get older. I'm 52 now, so I'll wait another 10 years...

I understand what Eldrick is going through. It ain't fun.