This video is from a recent high school girls soccer match between East High and Woods Cross in Utah. The girl that gets the shin/knee to the face is Makenzie Clark and Petiola Manu is the owner of said shin/knee. The other day USA Today had a short write up of the incident on its website:
Salt Lake City's KSL also covered the incident:
They best part about the clip is the fact that Clark didn't go all Cristiano Ronaldo or Carlos Ruiz or Fredy Montero after the incident.
Here's the video: