Final answer:
In soccer, substituting a suspended player generally requires a 2-minute penalty. Other potential violations regarding substitutions vary by the specific sport's rules.
Step-by-step explanation:
The rules for substitutions in various sports may differ, but commonly, certain violations require a penalty. In the context of soccer or similar sports, the following violation would generally require a 2-minute penalty:
- Substituting a suspended player - If a player is serving a suspension and is substituted into the game, this is usually a serious violation and can lead to a penalty for the team.
Other potential violations such as substituting players without notifying the referee, substituting more than three players at once, or substituting during a penalty kick, may also be penalized but again, these rules can vary based on the specific regulations of the sport or league.