Kansas City Monarchs
The Kansas City Royals have worn uniforms based on those worn by the Monarchs  during regular-season baseball games several times. They have been worn on July 14, 2001 (at Pittsburgh), July 1, 2007, and May 30, 2009 (at home vs. Chicago White Sox), June 9, 2012 (at Pittsburgh), July 21, 2012, and June 23, 2019 (both at home vs. Minnesota), August 24, 2013 (at home vs. Washington), May 18, 2014 (at home vs. Baltimore), May 17, 2015 (at home vs. New York Yankees), May 15, 2016 (at home vs. Atlanta), May 7, 2017 (at home vs. Cleveland), and August 13, 2022 (at home vs. Los Angeles ). The jerseys worn during home games have usually been auctioned as a fundraiser for the Negro Leagues Baseball Museum.