In the fast-paced realm of fantasy football dynasty leagues, being proactive is essential. With the offseason at hand, it's crucial to identify undervalued players who can enhance your roster. Five notable targets include Jameson Williams of the Detroit Lions, who, after a promising 2024 season with over 1,000 yards and seven touchdowns, remains undervalued at WR30. Quentin Johnston of the Chargers rebounded from a tough rookie year, showcasing potential by catching 55 passes for 711 yards. Rashod Bateman of the Ravens, despite being ranked WR71, proved himself as a reliable option with a career-best 756 yards and nine touchdowns. For tight ends, Tucker Kraft of the Packers had an impressive start to the year, while Chig Okonkwo of the Titans showed late-season promise that could blossom next season. These players provide significant upside for dynasty league managers.