Assertion: pitcher's leg | /r/HasProperty | free
Facets:
Source sentences:
text: Once a pitcher has swung his free leg back past the pitching rubber while in the process of his leg kick, he must then deliver the ball to the plate or to second base on a pick-off attempt.
text: Once a pitcher has swung his free leg back past the pitching rubber while in the process of his leg kick, he must then deliver the ball to the plate or to second base on a pick-off attempt.