This article discusses strategies for when coaches should call in subs in important games. It lays out the possible benefits of having a fresh team on the field, such as boosting a team's energy level and allowing for more strategic adjustment during a game. It also highlights the potential drawbacks that could arise from an overreliance on a subbing strategy, such as the possible disruption of team chemistry and the potential for players to miss important opportunities to gain experience. The article provides advice on when to best use subs in order to maximize the team's potential.