Alex Rodriguez said if he could do it all over again, he “probably would have just retired” after winning the 2009 World Series with the Yankees.

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“I would have avoided a lot of nightmares,” Rodriguez said in the new HBO documentary, “Alex vs. ARod,” with the first of three episodes set to air Thursday night.

Perhaps it was A-Rod that kept him from doing so.

Of course, what followed was Rodriguez getting caught in the Biogenesis scandal for taking performance-enhancing drugs, then trying to sue MLB over his suspension that ended up being 162 games, the entirety of the 2014 season.

The compl

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