Cardinals closer Carlos Martinez, who moved into a relief role this past season because of recurring soreness and weakness in his right shoulder that he felt limited him as a starter, had a procedure last last week to address the discomfort and help encourage healing in the area.

John Mozeliak, president of baseball operations, confirmed the treatment during an appearance on KMOX/1120 AM Sunday morning.

Martinez had a "small procedure," Mozeliak told the station, and he volunteered that Martinez received a platelet-rich plasma injection. He said the procedure should allow Martinez to "move forward."

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Martinez, 28, experienced shoulder weakness during spring training, and much of his 2018 season was interrupted by injuries that he and the team traced back to his shoulder.