Boston Celtics star Jayson Tatum has agreed to a five-year, $315 million supermax extension, which is the largest contract in NBA history. This deal follows Tatum's exceptional performance, leading the Celtics to their 18th NBA championship and earning multiple All-NBA and All-Star selections. The extension will begin in the 2025-26 season and includes a player option in the final year. The Celtics have also secured other key players like Derrick White and Jaylen Brown, setting up a strong core for future seasons. Fans and analysts have praised the Celtics' management for these strategic moves, which position the team as a continued title contender.