The San Diego Padres have some validation.
According to FOXSports' Ken Rosenthal, Major League Baseball told both the Cubs and Padres that Anthony Rizzo's controversial slide at home plate Monday night was illegal.
Rule 7.13, also known as the Posey Rule, was enacted in 2014 to limit contact at home plate.
While attempting to score on Kris Bryant's lineout to center field in the sixth inning Monday, Rizzo plowed into Padres catcher Austin Hedges, who had to leave the game with a bruised thigh. Here's the play again:
Another angle here from the Padres broadcast.