1.  But the Norwegian players used a much heavier ball over a much longer period than is the case with amateur American players, Dr. Witol said.

2.  But the bottom line is I think the heavier balls actually hurt the smaller guys more.

3.  The Croatian felt that the heavier balls being used in the tournament had something to do with it.

4.  Great Britain surprised Sweden by selecting a slower than expected surface and heavier ball for their world group clash.