weejohn5:So, Tiger Woods puts his "one ball" in the water at the 1st. hole, St Andrews, in the British open and according to your "one ball rule" he is out of the tournament ?
Gees - like a dog with a bone!
Correct - the One Ball Rule is primarily used in all US PGA tournaments but the R&A use it for the Open. WGT have implemented the PGA ruling. And as for any Pro to do that is BAD COURSE MANAGEMENT.
The following extract is from the R&A
The Committee may introduce a condition of competition stating that a player must use balls of the same brand and type, and accordingly, a player may not change the brand name and cannot change from a brand type to another type of the same brand. Again, this condition is recommended for elite events only. The R&A does not currently introduce this condition at any of its Amateur events, but it is introduced at The Open Championship. The suggested wording for such a condition is contained in Appendix I, Part C of the Rules of Golf.