Welcome to The Hockey Writers’ countdown of the most impactful players of the 2024-25 season. Number nine is Dawson Mercer, an essential player for the New Jersey Devils. Mercer, a 22-year-old versatile player, is a key piece in the team's success and is expected to sign a two-year deal. His maturity and dogged play on the ice make him a fan favorite, despite some setbacks in his game. Mercer's impact on both offense and defense will be crucial for the Devils as they aim for a playoff spot.