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When he played with the Chicago Cubs, Anthony Rizzo chose not to get vaccinated because he was “taking some more time to see the data." He then tested positive for COVID in August after having been traded to the Yankees. When he was asked about his vaccination status again at the end of August, he said, "I just had COVID, so they say for three months I’m kinda in the clear, so I think after that it will be the time to really make the decision again." The MLB doesn't currently have a vaccination mandate for players.