As that rule reads: "If a left-handed or right-handed pitcher swings his free foot past the back edge of the pitcher's rubber, he is required to pitch to the batter except to throw to second base on a pickoff play."
Maddon said he hopes it will be called as such if Urias tries a similar move on Wednesday.
"When you get to see it on TV, it's pretty obvious," Maddon said. "It's not even close. It's a very basic tenet regarding what is and what is not a balk.