Harvey (back) resumed playing catch last week but remains without a clear timeline for returning from the 15-day injured list, MLB.com reports.

Harvey (back) threw a bullpen session Sunday, MLB.com reports.

Harvey (back) suffered a setback in his recovery Tuesday and will be shut down from all activity for the next 2-to-3 days, Anne Rogers of MLB.com reports.

Harvey (back) is progressing well and hopes to be clear to throw a bullpen session in the coming days, Jaylon Thompson of the Kansas City Star reports.

The Royals placed Harvey on the 15-day injured list with mid-back tightness, retroactive to Aug. 7.

Harvey recorded his 28th hold of the season in Tuesday's 4-3 win over the White Sox, giving up a run on two hits over one inning while striking out two.

Harvey reported improvement with his back Monday and is considered day-to-day, Anne Rogers of MLB.com reports.

Harvey was diagnosed with left lower-back spasms after leaving Sunday's game against the Cubs.

Harvey was removed from Sunday's game against the Cubs due to an apparent injury, Anne Rogers of MLB.com reports.

Harvey walked one and hit a batter in a scoreless and hitless inning to earn a hold in Wednesday's 8-6 loss to the Diamondbacks.