Yes, a player's body language can often reveal tactical struggles during a game. Subtle cues such as slumped shoulders, lack of eye contact, and restless movements can indicate frustration or confusion about their role or the game plan. For instance, players who frequently look to the sidelines or gesture with their hands may be signaling discontent with their positioning or the overall strategy. Additionally, a lack of cohesion in body language among teammates can suggest miscommunication or a lack of understanding of tactical instructions, leading to suboptimal performance on the field. Observing these non-verbal signals can provide insights into the mental state of players and the effectiveness of the team's tactical execution.