Pick "Manage Profiles" at the options menu. Create a new profile and enter
Turco813 as a case-sensitive name. Press Start and
a message should confirm code entry.
When playing in Franchise mode with any team, go to "Front Office", pick "Rosters",
and choose a player that is labeled as "Dressed". Press when
you get to that player, scroll down and choose "Edit Player". Once in the "Edit
Player" screen, press L1 and go to "Attributes". Then, give
the player a 99 for every skill. As you may imagine, doing this to your whole
team makes you kick a lot of ass.
Thanks to Revolution Reader ahahockeydemon80!