Small fighter:  Highlight "Play Now" option at the main menu, then press Left(3), Right(3), Left, A. A sound will confirm correct code entry. Alternately, press Left, Right, Left, Right, Left at the main menu.

Bangkok Palace venue:  Win a match at Bangkok Palace in career mode.

Ceasar's Palace venue:  Win a match at Ceasar's Palace in career mode.

Staples Center venue:  Win a match at the Staples Center in career mode.

The Viceroy venue:  Win a match at The Viceroy in career mode.

Westerholz Arena venue:  Win a match at Westerholz Arena in career mode.

Easy uppercut:  When your opponent gets close to you, lean back and wait for him to punch at your head. He can still punch your body, but if he goes for your head he will miss as he punches. Throw a jab and an uppercut combo. It will do a hard punch on him more than 75% of the time. It is difficult to get used to, but you must do it fast. Once you get the hang of it, you will have no problem knocking him out.

Bolo Punch special punch:  Defeat Ray Leonard in career mode.

Ducking Hook special punch:  Defeat Muhammad Ali in career mode.

Homerun special punch:  Defeat Tarver in career mode.

Look Ma No Hands special punch:  Defeat Roy Jones Jr. in career mode.

Lunging Hook special punch:  Defeat Chris Byrd, Evander Holyfield, or Joe Frazier in career mode.

Lunging Uppercut special punch:  Defeat Sugar Shane Mosely in career mode.

Shine The Glove special punch:  Defeat Jake LaMotta in career mode.

Sledgehammer special punch:  Defeat Sonny Liston in career mode.

Watch The Birdie special punch:  Defeat Bernard Hopkins in career mode.

Wave In special punch:  Defeat Felix Trinidad in career mode.

Executioner trunks:  Defeat Bernard Hopkins in career mode.

Tito trunks:  Defeat Felix Trinidad in career mode.

An easy and effective way to recover is to match up the EA Sports patches on the referee's shirt.

Taunt:  Press L + R + click Left-Analog-stick + click Right Analog-stick during a fight to taunt your opponent, regardless of controller configuration.

Longer count:  When your opponent's health is at 0 and he is about to fall down, hit him two or three times. The count will be longer.

Heavy bag training to increase punch power and speed:  In the heavy bag training in career mode, start by a throwing a right hook to get the bag going, then throw a left hook while the bag is moving to the right. When the bag moves left, throw a right hook, etc. The bag will swing more and more, and you will receive the swing bonuses, increasing your score. Use good timing, and hit the bag when it is just entering the upswing. You will get more attribute points to increase your fighter's punch power and speed.

Get away with head butts or low blows:  When the bell rings at the end of the of the round, use the illegal hit. As long as the bell to end the round sounds, you will not be disqualified.

Career mode:  Career mode is only twenty years long. Choose your fights wisely. Also, do not Auto Train. You will not have enough years or fights. You will only start to get two to three fights per year as your fighter builds his rep.