Grandfathering in balls is the wrong thing to do! So a person can keep using an illegal ball if they are using it today. They didn't grandfather in the 65 hardness balls when they set hardness at 72 in the 1970s. Would have been better to allow these balls to be used till the end of the season. So, start buying your illegal balls now and you will be ok, does anyone else see the problem with this? How did they make it a fair playing field for everyone down the road?