Simon Kjær is a professional footballer from Denmark, born on March 26, 1989. He plays as a central defender and is known for his leadership skills and strong defensive abilities. Kjær has played for several clubs in Europe, including F.C. Copenhagen, Palermo, and Sevilla FC. Kjær has also been a key player for the Danish national team, representing his country in multiple international tournaments, including the UEFA European Championship and the FIFA World Cup. His experience and tactical awareness make him an important figure in both club and international football.