Stats & Skills

FT. WORK SP. (Footwork Speed): Increase it and your boxer will be faster. It becomes easier to escape or rush to your enemy.
PUNCH SP. (Punch Speed): The speed needed for your boxer to draw his punches. His lead hand will always be slightly faster.
SHARP POW.: Effectiveness of your light punches. Increasing this would makes it easier to get technical knockouts.
HEAVY POW.: Ability to land heavy punches taking a lot of LIFE.
Improve this if you want to make knockouts.
LIFE: If this goes down to zero when fighting then you're most likely to get knocked out.
The music changes when your character's life is low to alert you.
ENDURANCE: Symbolize your boxer's ability to take hits without losing too much LIFE. If low, your life bar will rapidly decrease.
RUSH STM. (Rush Stamina): Used to attack the opponent, if you use too much of it then your punches become way slower and you accumulate fatigue. To restore it, try to reduce the number of attacks and focus on landing your punches.
STM. RATE (Stamina Rate): The rate at which your stamina decrease.
If this skill is low then you'll use most your stamina in just a few attacks.
If it is high, you'll get better results when training.
SWAY SP. (Sway & Duck Speed): Being quick means a higher probability to dodge your opponent's attacks.
TIRED (Fatigue): Training will have no effect if your character is too tired. Try to keep this green if you want to be at best condition for a bout too. If orange or red, take some days off.
STAMINA: Needed to keep your speed and strength. If this is too low then your punches becomes weak and you'll not be able to parry or even escape your opponent.
AMINO ACID (Proteins): Try to keep this high or your training will be get low results. Recommended for those who aim at heavy weight divisions.
GLUCOSE (Energy): Quite important for your boxer to stand up, if this and the stamina level are too low then he might pass out on the ring.
FATTY ACID (Fats): The fat you can't burn by training will be added here. If you don't aim the heavyweight division then be careful.
WATER (Body Water): If your boxer's body water isn't enough then he'll accumulate more fatigue when training.