Use these combos to activate the corresponding effect:
Complete Challenge Mode: at the main menu hold L and press Square, Circle, Square, X, Circle
Talking Players: at the main menu press Up, Left, R, L, X, O, Triangle
How to get Soccer Points? Do the following in the EA Sports Store:
Create A Player: 5,000 points
Beat A Five Star Team: 5,000
Beat the challenge: 1,000 points