At the main menu, press L1, L1, L2, R2, R2, R1. Repeat to disable.
At the main menu, press L1, L1, R2, Up, Down, Right. Repeat to disable.
At the main menu, press L2, R2, R1, R2, L2, R2. Repeat to disable.
At the main menu, press L2, L1, L1, L1, L2, L2.
To unlock more teams, win the indicated cups.

Unlock Team - Win Cup:
Semi Professionals - Semi Professional League
School teams - School League
European All-Stars - Euro cup
Euro cup- African Cup
American All-Stars- American Cup
Asia/Oceania All-Stars- Asia/Oceania Cup
South American All-Stars- South American Cup
World All-Stars- World Cup
Timewarp teams - Timewarp Cup

At the main menu, press L2, L1, L1, L2, L2, L2.