When you have the ball in hand hold either of the pass buttons (L1,R1,R2 or L2) and when you are being tackled,release the button to pass as you fall.
Special Cups
Win all the territories cups, then you can play a "Special Cup" where you can play with World 15, Barbarians, and British Lions. When you win the 'Special Cup', you get an "Extra Cup" where you can be the Rage All-Stars, or Codemasters, or the Lomu team, in which all the players are Jonah Lomu.