Why do the players get so mad when they get a yellow card?

Receiving a yellow card in soccer is a disciplinary action taken by the referee for a variety of reasons, such as a foul, unsportsmanlike conduct, or time-wasting. Players may become angry or frustrated when receiving a yellow card for several reasons, including:

• Perceived injustice - Players may feel that the yellow card was undeserved or that the referee made a bad call.
• Impact on the game - In soccer, a yellow card can impact the course of the game, as players who receive two yellow cards in a game will be sent off the field. This can be a disadvantage for the team, and players may become upset at the potential impact on the outcome of the game.
• Emotions - Like any competitive sport, soccer can be an emotional game, and players may become angry or frustrated with themselves, their opponents, or the referees.

It is important for players to manage their emotions and reactions to yellow cards in order to avoid further disciplinary action or negatively impacting their team's performance. Coaches and trainers can help players develop coping strategies for managing emotions on the field, such as deep breathing or visualization exercises. Additionally, players can work on improving their behavior and avoiding fouls and unsportsmanlike conduct that can lead to disciplinary action.