Big ball:
     Hold L1 + Triangle and press Up, Up at the line of scrimmage.

Small ball:
     Hold L1 + Triangle and press Down, Down at the line of scrimmage.

Normal ball:
     Hold L1 + Triangle and press Up, Down at the line of scrimmage.

Maximum attributes for all players:
     Enter IronMen as a profile name, then start Play Now mode.