xbox 360-Fight Night: Round 4

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.
Achievements
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
Get In The Ring (5 points): Win a Fight Now match against the CPU.
Just Like Mike (40 points): Win a Fight Now match by KO in in the first round against the CPU in a 10 round fight.
More machine than man (50 points): Win 50 Fight Now matches against the CPU.
Knock a sucker out. (10 points): Win by a knockout in Fight Now against the CPU.
Ecko Trunk Challenge (15 points): Beat CPU Miguel Cotto in Fight Now on Pro.
Man Up Manny (15 points): Beat CPU Manny Pacquiao in Fight Now on Champion.
Pull No Punches (10 points): Win a Fight Now match vs the CPU while landing at least 500 punches.
Pound For Pound (40 points): Win a fight against a CPU opponent in a higher weight class than you.
The Road Is Long (10 points): Win 10 fights in Legacy Mode.
The Champ Is Here (40 points): Win a championship belt in a single weight class.
The Latest and the Greatest (50 points): Retire as a Superstar.
From Chump to Champ (20 points): Win the Amateur Tournament in Legacy Mode.
Movin' On Up (30 points): Move up in weight class in Legacy Mode.
Undefeated (20 points): Win 5 Consecutive Legacy Mode fights.
My Style Is Impetuous (60 points): Beat CPU Mike Tyson on G.O.A.T. using a created boxer in Fight Now.
XL (50 points): Win the Middleweight Championship Belt in Online World Championship Mode.
L (25 points): Win the Lightweight Championship Belt in Online World Championship Mode.
Solid Contender (30 points): Win 5 online ranked matches.
Pain Brings Glory (5 points): Win a match in Online World Championship Mode.
Comeback Kid (10 points): Win a Online ranked match after being knocked down twice.
Walk like ten men (10 points): Win 10 Fight Now matches against the CPU.
David and Goliath (40 points): Beat CPU Mike Tyson in Fight Now on G.O.A.T.
King of The Rope-a-Dope (40 points): Beat CPU Muhammad Ali in Fight Now on G.O.A.T.
Punch Drunk (10 points): Win a Fight Now match vs the CPU while landing at least 250 jabs.
Enough To Feed a Horse (10 points): Win a Fight Now match vs the CPU while landing at least 10 haymakers.
Precision Guided Pain (50 points): Win a fight where you landed at least 70% of your punches vs CPU.
GOAT (80 points): Retire as the G.O.A.T(unlocks achievements; Retiring as a Superstar and Hall of Famer if not earned).
Big Gloves to Fill (65 points): Retire as a Hall of Famer (unlocks achievement for retiring as a superstar if not earned).
Flyswatter (60 points): Beat CPU Muhammad Ali on G.O.A.T. using a created boxer in Fight Now.
XXL (75 points): Win the Heavyweight Championship Belt in Online World Championship Mode.
A Force to Reckon With (15 points): Win 10 online ranked matches.
New Blood (5 points): Import a boxer into Legacy Mode.
Additionally, there is one secret achievement:
You're In The Game! (5 points): Create a boxer using the Photo Game Face tool.