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Castro will start at catcher and bat eighth in Monday's game against the Red Sox, Chandler Rome of the Houston Chronicle reports.

No. 1 backstop Martin Maldonado is getting a well-deserved breather after catching each of the last three days, opening the door for Castro to enter the lineup. Through 39 plate appearances on the season, the 34-year-old is slashing .063/.231/.063 with a career-worst 48.7 percent strikeout rate.

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