Stare down your opponent as the ref runs down the rules, smack your gloves with his, wait for the bell... and let your fists fly. In Knockout Kings 2003, the speed, pain and adrenaline of professional boxing come to your fingertips. Now it's time to show the world who's the champ!
- Create countless dream bouts as you fight as or against some of the greatest boxers of all time, including boxing legends Muhammad Ali, Joe Frazier, Sugar Ray Leonard, and more.
- Go into the ring as or against some of today's lions of the ring, including Felix Trinidad, Lennox Lewis, Oscar De La Hoya, Floyd Mayweather Jr., Fernando Vargas, as well as over 20 fictional boxers.
- Lace up your gloves and get ready to get it on