There is a right way and a wrong way to play baseball. By yelling out as you are running the bases "MINE" on a pop up to an infielder that is the wrong way to play baseball. MINE is yelled to let other fielders know you have the pop up and to avoid collisions.
There are unwritten rules and written rules, he broke an unwritten rule of the game, yes it was successful, but he will pay a price for playing the game in that manner. He knows he was wrong, his teammates know he was wrong and I guarantee you the Blue Jays and all of baseball know what he did was wrong. Whatever happens to him he deserves and he knows it.
This is not just about Rodriguez its about how the game is supposed to be played, you play hard but you do not play dirty.
As for the infielders "deeking" players, they are not yelling out a word that is used to avoid injury. If a runner is not aware of situations by looking at the ball or his base coach and falls for "deeking" thats his fault, but they are not yelling slide, get down etc to him that is the difference.