Astros manager Bo Porter shuffled his lineup Tuesday against the Mariners, dropping catcher Jason Castro down to the No. 2 spot, hitting second baseman Jose Altuve third and first baseman Carlos Pena at cleanup.

"Carlos has been swinging the bat well," Porter said, according to the Houston Chronicle. "More so I'm trying to protect Carlos and Castro and putting Altuve in between them so if they want to bring in a lefty they still have to [face] Altuve before they get to Carlos."

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