Experience the ultimate boxing game with Knockout Kings 2003 for the Nintendo GameCube. This game is perfect for sports enthusiasts who are looking for a challenging and exciting boxing game. Published by EA SPORTS, this game features a T-Teen rating and promises to deliver an unforgettable gaming experience. Step into the ring with your favorite boxer and take on challenging opponents. With its incredible graphics, intense gameplay, and realistic sound effects, this game will keep you engaged for hours. Knockout Kings 2003 is a must-have for any boxing fan who wants to experience the thrill of the sport from the comfort of their own home.