Successfully complete one of the following tasks to get a trophy:

Legendary (Platinum): Collect all trophies.
And So It Begins… (Bronze): Create a LIVE Ultimate Team.
I Love Goooooollllllld (Bronze): Build a LIVE Ultimate Team consisting of only Gold Level Players.
Challenge Accepted (Bronze): Complete a Fantasy Showdown series in LIVE Ultimate Team.
Lucky You (Bronze): Open a pack that contains a rare Player in LIVE Ultimate Team.
Frankensteined It (Bronze): Reconstruct any NBA team in LIVE Ultimate Team.
May the Best Man Win (Bronze): Play a Finals Game in Head to Head Seasons.
Journey Begins Here (Bronze): Play a Head to Head Seasons Game.
On Your Way (Bronze): Get to League 3 in Head to Head Seasons.
To the Top (Bronze): Get to League 10 in Head to Head Seasons.
You’re the Best Around (Silver): Win an Online Tournament in Head to Head Seasons.
The Big O (Bronze): Average a triple double for a whole season with one player.
Reaching for the Stars (Bronze): Make a trade for a player that is over 85 overall in Dynasty.
Clean Sweep (Bronze): Sweep a Playoff Series in Dynasty Mode.
Scratched Off the List (Bronze): Complete 1 GM Objective in Dynasty Mode.
Good Eye (Bronze): Scout a player with an A potential rating before the Draft in Dynasty.
Promote From Within (Bronze): Max out any staff member.
Better than Most Politicians (Bronze): Complete half of your GM Objectives in a single season.
Winners Win (Gold): Win a Championship in Dynasty Mode.
Medium (Bronze): Reach an Overall Rating of 85 in Rising Star Mode.
Large (Bronze): Reach an Overall Rating of 90 in Rising Star Mode.
Grande (Bronze): Reach an Overall Rating of 95 in Rising Star Mode.
Collecting Some Hardware (Gold): Win a Championship in Rising Star Mode.