The Chicago White Sox are requiring COVID-19 booster shots for their players with minor-league contracts in order to participate in spring training.

It was not clear what percentage of White Sox minor leaguers have their booster shots — or how many have received either two doses of the Pfizer or Moderna vaccines or one shot of Johnson & Johnson. Spokesman Scott Reifert said players who do not comply would be placed on the restricted list rather than be released.

https://www.msn.com/en-ca/sports/other/white-sox-requiring-covid-19-boosters-for-minor-leaguers/ar-AATMGi1?