Castro (shoulder) is feeling good and testing his throwing arm Wednesday, Cody Stavenhagen of The Athletic reports.

Castro was placed on the 10-day injured list with right shoulder soreness at the end of the 2020 season, but he said Wednesday that he's "feeling good" following a period of rest and rehab. More clarity on his status should be gleaned from how his arm responds to his workout Wednesday, but the 23-year-old appears to be on the right track in his recovery.

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