Head Contact Process - Head on head

1

No sanction - no fault of the player - involuntary collision and the tackler had no time to readjust

2

Red card - head to head contact with a high degree of danger, no control, high speed and a leading head

3

Red card - head to head contact with a high degree of danger, no control, high speed and a leading head

4

Penalty - head to head contact but mitigation as there is a sudden change of direction by the ball carrier

5

Yellow card - head to head contact but mitigation as the ball carrier steps suddenly back off the side-line and drops his height