*Bonus offline accessories
Become the champion of two weight divisions in Legacy mode, then reach "G.O.A.T" status to unlock extra offline accessories. Bonus online accessories
Win the Lightweight, Middleweight, and Heavyweight Online belts to unlock extra online accessories. Maximum stats in Legacy mode
Start a new legacy. Win the tourney, then go to punch totals in the last fight. Press B to get +5 to Power, Stamina, and Heart again. Repeat this until your stats are at maximum.
Easy "David And Goliath", "King Of The Rope-A-Dope", and "My Style Is Impetuous" achievements
Set the round time to 1 minute and the rounds to 1. Just punch him enough to win by decision.