Schreiber (4-3) struck out one and didn't allow a baserunner over 1.2 scoreless innings, earning the win in the first game of Monday's doubleheader versus the Guardians.

The Royals activated Schreiber (knee) from the 15-day injured list Monday.

Manager Matt Quatraro said Monday that he expects Schreiber (knee) to begin his rehab assignment Wednesday, Anne Rogers of MLB.com reports.

Schreiber (knee) threw a bullpen session Thursday and is scheduled to throw off a mound again Sunday, Anne Rogers of MLB.com reports.

Schreiber (knee) threw Monday for the first time without wearing a brace, Anne Rogers of MLB.com reports.

The Royals placed Schreiber on the 15-day injured list Monday with a right knee patella tendon injury.

Royals general manager J.J. Picollo said Monday that Schreiber (knee) is likely to be placed on the 15-day injured list, Joel Goldberg of Bally Sports Kansas City reports.

Schreiber was removed from Sunday's game against the Cubs due to right knee patella tendon discomfort.

Schreiber (3-3) allowed two runs on three hits and a walk while striking out one over one-third of an inning, taking the loss Friday versus the Rockies.

Schreiber (3-1) allowed three runs on three hits over one-third of an inning, taking the loss Friday versus the Padres.