Perfect team
To get a perfect team that is first in everything create players for all positions and put them as power players. Then put them on the same team. At the team select screen you will be first in everything.
This is Sportscenter commercial
Win a super bowl with any team and after the credits you will see a random commercial.
Celebrate
When about to score a touchdown hold the triangle button down and the guy with the ball will celebrate or do a dance.