Which actions must the referee blow the whistle for, if there is no advantage, regarding common fouls?

The appropriate action for a referee is to blow the whistle for a breach of the offside rule when there is no advantage. This is because the offside rule is a specific regulation in soccer that seeks to ensure fairness and maintain the flow of the game. If a player is in an offside position and becomes involved in active play, the game is stopped to penalize that player’s actions.

In contrast, while careless actions that disrupt the flow of play can warrant a whistle, they often depend on the discretion of the referee and the context of the game. Similarly, physical contact can occur frequently in soccer, and not all contact results in a foul that warrants a whistle; the referee will consider factors such as the severity of the contact and whether it affects play. Thus, these scenarios do not universally require a whistle as a breach of the offside rule does.

Therefore, when determining which actions warrant a whistle without a context of advantage, the breach of the offside rule is clear-cut and requires the referee's intervention to maintain fairness in the match.