Here is the list of achievements you can unlock in Fight Night Champion for the Xbox 360.
A Champion Emerges (10 points) – Defeat Isaac Frost in Champion Mode
A Fight Amongst Friends I (5 points) – Complete a lightweight League Match in an Online Gym
A Fight Amongst Friends II (5 points) – Complete a middleweight League Match in an Online Gym
A Fight Amongst Friends III (5 points) – Complete a heavyweight League Match in an Online Gym
A Fight Is Made (10 points) – Schedule your first title defense in Legacy Mode
A Little This, A Little That (15 points) – Knockdown an opponent with a head shot and a body shot in a Ranked Match
A Verdict Is In (15 points) – Win a 10-round Ranked Match
A Fist For Every Face (100 points) – Defeat the entire Fight Night Champion roster in Fight Now
Alphabet Soup (10 points) – Own all belts within one weight class at the same time in Legacy Mode
Bench Pressing (50 points) – Obtain boxer level 30 in OWC
Bicep Curling (25 points) – Obtain boxer level 15 in OWC
Breaking A Sweat (50 points) – Get a Champion rating on every Training Game
Can You Feel The Power? (15 points) – Max out any skill of a Legacy Mode, World Championship, or Online Gyms boxer
Don’t Let It Go To Your Head (10 points) – Get sponsored in Legacy Mode
Earning Baller Dollars (15 points) – Earn $1,000,000 in Legacy Mode
Every Second Counts (25 points) – Knockdown an opponent in a Ranked Match with less than 10 seconds left in the round
Everything You Got Left (10 points) – Defeat Meldrick Johnson in Champion Mode
Globetrotter (10 points) – Train at every location in Legacy Mode
Gold Medal Performance (10 points) – Knockout Joel Savon in Champion Mode
Hamstring Blasting (75 points) – Obtain boxer level 45 in OWC
How Poetic (50 points) – Retire as the GOAT in Legacy Mode
I Brought My Own Judges (10 points) – Defeat Ricardo Alvarez in Champion Mode
I’m Just Doing My Jab (25 points) – Jab 10,000 times
Low Down Dirty Tricks (10 points) – Defeat Kobe Nichols in Champion Mode
Mr. Reliable (50 points) – Earn a Reliability Multiplier of more than 85% after playing at least 100 Ranked Matches
My Defense Is Impregnable (15 points) – Win a Ranked Match with your opponent’s accuracy at or below 20%
No Time To Bleed (10 points) – Knockout Dwight Cooper before the 6th round in Champion Mode
Now You’re Just Showing Off (15 points) – Enter a Legacy Mode fight with less than 50% stamina and win
Numba One Stunna (50 points) – Stun your opponents 1000 times
Represent The Crew I (5 points) – Complete a lightweight fight against a member of a Rival Gym
Represent The Crew II (5 points) – Complete a middleweight fight against a member of a Rival Gym
Represent The Crew III (5 points) – Complete a heavyweight fight against a member of a Rival Gym
Road To Glory (15 points) – Complete 100 fights in Online World Championship
Somebody’s Gonna Get Hurt (25 points) – Win a Ranked Match by referee stoppage
Squat Thrusting (100 points) – Obtain boxer level 60 in OWC
Survival Of The Fittest (10 points) – Defeat the prison gang leader in Champion Mode
The Awakening (25 points) – Knockdown Mason Brooks in under 3 minutes in Champion Mode
The Edge Of Legitimacy (10 points) – Turn pro in Legacy Mode
This Is Going Well (15 points) – Knockdown an opponent twice in the same round of a Ranked Match
THIS Is Sim (5 points) – Create and upload a Settings file to EA SPORTS World
Turnabout If Fair Play (25 points) – Knockdown Keyshawn Hayes with a left hook in Champion Mode
Viral Victory (15 points) – Beat a Developer in a Ranked Match, or anyone with this Achievement
Welcome To The Jungle (10 points) – Defeat the prison gang member in Champion Mode
Will They Believe You? (25 points) – Get up from a fourth knockdown during a Ranked Match