Major League Baseball, as part of its due diligence, is investigating all of the reported details of interest in Selena Roberts’ new book on Alex Rodriguez. The investigation will cover Rodriguez’s alleged usage of illegal performance-enhancing drugs and the accusation that he tipped opposing players what pitches were coming and received similar favors in return.

In order for MLB to impose discipline, however, far more specific details would have to emerge than those in “A-Rod: The Many Lives of Alex Rodriguez.”

It’s possible that A-Rod could be summoned to speak with MLB investigators for a second time; he first did so shortly after Roberts reported A-Rod’s positive drug test from 2003. But just like that meeting, it would be a non-disciplinary interview.

Roberts reported, in her book, of evidence that A-Rod used illegal PEDs both before and after the 2001-03 period he declared back in February – specifically, in high school and with the Yankees in 2004 and 2005.

On Wednesday, Rodriguez slid for the first time since, going 1-for-5 with a walk in an extended spring training game.

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