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It is one of baseball's unwritten rules that players are not supposed to walk across the mound. However, that did not stop Alex Rodriguez from doing it in a game against the Oakland Athletics in 2010.
Even worse, Rodriguez did not think that he had done anything wrong. He insulted Athletics pitcher Dallas Braden and it is an incident that shows a lack of respect for the game.
That was not the first time that A-Rod has broken of the game's unwritten rules. In a game against the Toronto Blue Jays in 2007, Rodriguez called "mine" on a pop-up. The problem? Rodriguez was running the bases and this cased Jays infielder Howie Clark to let the ball drop because he thought his teammate called him off.