Prevalent coaching styles in professional leagues include authoritative, democratic, and transformational coaching. Authoritative coaches provide clear directives and expectations, ensuring discipline and structure. Democratic coaches involve players in decision-making, enhancing motivation and buy-in from the team. Transformational coaches focus on personal development and building strong relationships, promoting overall well-being and growth. Each style impacts player engagement, performance, and overall team dynamics in unique ways, reflecting the diverse approaches in sports coaching.