Why Saudi Arabia's goalkeepers are training with black glasses ahead of World Cup opener (opens original article in a new tab)

Saudi Arabia's goalkeepers are using black visual training glasses to improve their performance ahead of the World Cup opener against Uruguay.

• Saudi Arabia's goalkeepers wore black visual training glasses during World Cup prep
• The glasses aim to improve concentration, reaction speed, and decision-making
• The training method is used in elite sports to enhance anticipation and awareness