Butting Heads

How bad is this headbutt?
Well, it's pretty bad, but what's the punishment worth?

Check it out:

The headbutter (I know that's not a word but work with me) is Jesus Corona of Cruz Azul. The person who received the headbutt is Sergio Marti, a trainer with Morelia.
This happened on Sunday at the end of Morelia's 3-0 win over Cruz Azul.

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