The gamebreaker does the unexpected, the unpredictable, the unusual - and he does it well and, most of all, he does it fast. Today the buck, it seems, stops with the coach. And, for that reason if for no other, he is King. He deserves to be, if he s going to find that buck in his in-tray. Some are easy.
Cricket has mini-cricket.
Tennis coaches invented tennisette. There was a time when forwards scrummed down more or less in order as they arrived at the place ordained for the scrummage. Forwards would not necessarily be selected for, or play in, the same positions with any rigid regularity. Today it is common, at the highest levels at any rate, for referees to coach. Some more stridently than others.