Nationals' Javy Guerra: Tosses bullpen session

Guerra (hamstring) threw a bullpen session Friday, Jesse Dougherty of The Washington Post reports.

Guerra missed the final month of last season with a hamstring strain. He faced a slight delay to start camp this year due to the birth of his second child, but he's since arrived and is going through a normal throwing progression, so the hamstring issue doesn't seem to be lingering.