In both cases, no corresponding move was announced.
Strahm was dominant as a rookie in 2016, posting a 1.23 ERA in 21 games.
But Strahm has recorded just four outs in three outings this season, giving up seven runs on four hits and six walks.
Jeffrey Flanagan has covered the Royals since 1991, and for MLB.com since 2015. Follow him on Twitter @FlannyMLB. This story was not subject to the approval of Major League Baseball or its clubs.