Here is the full list of all 41 FIFA 14 achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.
Finish a season in Online Friendlies
Win a Game of the Week in Highlights of the Week
Apply a 99 Match Player Contract from the Catalogue to any player in FUT
Gift a Football Club Catalogue item
Redeem an item from the Football Club Catalogue
Challenge the Team of the Week in FUT
Follow a Football Club News & Alert to start or enter FUT
Follow a Football Club Recommendation
Straight Arm a Defender to Protect the Ball
Score with a Dipping Volley
Complete a Be a Pro Challenge on any difficulty in Highlights of the Week
Open up your inbox while advancing in Career
Apply your first Chemistry Style consumable in FUT
Change your captain in FUT
Beat a score in Skill Games
Complete all Manager Tasks in FUT
Earn a player's loyalty in FUT by playing 10 or more games with him
Win a division title in FUT Seasons
Win the ball back with a Second Chance Tackle
Score with an Outside of the Foot Shot
Score with a Curling Lace Shot
Reach EA SPORTS Football Club Level 15
Score with a first time Sliding Shot
Win a game on Legendary after trailing at half time
Score a Perfect Hat Trick (left foot, right foot, header)
Complete the Silver stage of all Skill Games
Become Legendary on one of the Skill Challenges in Skill Games
Unlock a single Skill Challenge in Skill Games
Open 20 packs in FUT
Send a Scout on an Area Scouting mission.
Scout and find a player with any combination of 3 Global Transfer Network attributes in Career
Win a trophy as a Team Manager in Career
Change your formation from the Team Management tile in Squad during your Career
Be featured in the team of the week in your Career as a Player
Start a Co-op Season
Earn Promotion in Seasons
Play a Drop-In Match in Pro Clubs
Earn a trophy in Seasons
Unlock 15% of the Pro Accomplishments in Pro Clubs
Win your first seasons match in Pro Clubs
Complete a Match Day Challenge in Highlights of the Week on at least World Class difficulty