Get In The Ring

5
Win a Fight Now match against the CPU
Knock a sucker out.

10
Win by a knockout in Fight Now against the CPU
Precision Guided Pain

50
Win a fight where you landed at least 70% of your punches vs CPU
From Chump to Champ

20
Win the Amateur Tournament in Legacy Mode
Undefeated

20
Win 5 Consecutive Legacy Mode fights
Just Like Mike

40
Win a Fight Now match by KO in in the first round against the CPU in a 10 round fight.
Pull No Punches

10
Win a Fight Now match vs the CPU while landing at least 500 punches
The Road Is Long

10
Win 10 fights in Legacy Mode
Pound For Pound

40
Win a fight against a CPU opponent in a higher weight class than you.
Walk like ten men

10
Win 10 Fight Now matches against the CPU
Enough To Feed a Horse

10
Win a Fight Now match vs the CPU while landing at least 10 haymakers
Ecko Trunk Challenge

15
Beat CPU Miguel Cotto in Fight Now on Pro.
New Blood

5
Import a boxer into Legacy Mode
Secret Achievement

5
Continue playing to unlock this secret achievement.
Man Up Manny

15
Beat CPU Manny Pacquiao in Fight Now on Champion.
Punch Drunk

10
Win a Fight Now match vs the CPU while landing at least 250 jabs
The Champ Is Here

40
Win a championship belt in a single weight class.
David and Goliath

40
Beat CPU Mike Tyson in Fight Now on G.O.A.T.
More machine than man

50
Win 50 Fight Now matches against the CPU
The Latest and the Greatest

50
Retire as a Superstar
King of The Rope-a-Dope

40
Beat CPU Muhammad Ali in Fight Now on G.O.A.T.
Big Gloves to Fill

65
Retire as a Hall of Famer (unlocks achievement for retiring as a superstar if not earned)
My Style Is Impetuous

60
Beat CPU Mike Tyson on G.O.A.T. using a created boxer in Fight Now
GOAT

80
Retire as the G.O.A.T(unlocks achievements; Retiring as a Superstar and Hall of Famer if not earned)
Flyswatter

60
Beat CPU Muhammad Ali on G.O.A.T. using a created boxer in Fight Now
Movin' On Up

30
Move up in weight class in Legacy Mode.
Solid Contender

30
Win 5 online ranked matches.
Pain Brings Glory

5
Win a match in Online World Championship Mode.
A Force to Reckon With

15
Win 10 online ranked matches.
Comeback Kid

10
Win a Online ranked match after being knocked down twice.
XL

50
Win the Middleweight Championship Belt in Online World Championship Mode.
L

25
Win the Lightweight Championship Belt in Online World Championship Mode.
XXL

75
Win the Heavyweight Championship Belt in Online World Championship Mode.