The Red Sox are making some roster moves — and shaking up their bullpen — before starting a series in Houston on Monday night.

Boston has called up left-hander Jovani Morán from Triple-A Worcester, multiple sources told MassLive. The club will also activate recently claimed catcher Ali Sánchez off waivers before Monday’s game. The Red Sox will need to clear two active roster spots to accommodate Morán and Sánchez. It’s unclear how they’ll do so but pitchers Isaiah Campbell Chris Murphy are candidates to be sent down, as are second baseman David Hamilton and, if the club doesn’t want to carry three catchers, Connor Wong.

To clear a 40-man spot for Morán, the club designated righty Nick Burdi for assignment. Sánchez is out of minor league options, so he needed to either be activated or d

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