If you watch the most serious infractions carefully, she's merely reacting to the subtle little offenses the other women are committing.
Take the punch to the back of the blonde. Blondie gave her an elbow to the chest first.
And the brunette was clearly yanking up Elizabeth's shorts. The other brunette is shielding the ball with her body and Liz simply goes for the ball.
Don't you worry Lizzie, your boy's got your back!