Kris Medlen (shoulder) will continue his minor league rehab assignment Saturday with Triple-A Omaha.
Royals optioned OF Brett Eibner to Triple-A Omaha.
Royals activated OF Alex Gordon from the 15-day disabled list.
Edinson Volquez was pounded into the Stone Age on Friday, yielding 12 runs (11 earned) to the Astros while retiring just three batters.
Alcides Escobar went 2-for-4 and hit his first home run of the season on Friday night.
Royals released 2B Omar Infante.
Danny Duffy yielded three earned runs over 4 2/3 innings Wednesday in a no-decision against the Mets.
Alex Gordon (wrist) is on track to be activated from the disabled list this weekend.
Ian Kennedy was given just four innings Tuesday, allowing two runs on four hits in a loss to the Mets.
The Royals have requested release waivers on infielder Omar Infante.
Cheslor Cuthbert hit a walkoff RBI single in the bottom of the 13th inning as the Royals defeated the Tigers 2-1 on Sunday afternoon in Kansas City.
Chris Young tossed six innings of one-run ball Sunday in a no-decision against the Royals.
Kendrys Morales led the Royals to a 16-5 victory over the Tigers on Saturday by going 4-for-5 with five RBI and four runs scored.
Edinson Volquez pitched poorly but snagged a win against the Tigers on Saturday, allowing five runs on eight hits in 6 1/3 innings.
Paulo Orlando laced three singles and a double to finish 4-for-5 with two RBI, a run scored and a stolen base on Saturday.