Holloway signed a minor-league contract with the Mariners on Feb. 9.

Holloway (oblique) has made two appearances for Triple-A Iowa since being reinstated from the 7-day injured list June 2, working 1.2 innings while allowing four earned runs on five hits and one walk.

Cubs manager David Ross said Holloway suffered a moderate right oblique strain in Monday's 3-0 loss to the Diamondbacks, Jordan Bastian of MLB.com reports.

Holloway (elbow) was activated off the 60-day injured list and outrighted to Triple-A Jacksonville on Tuesday, Christina De Nicola of MLB.com reports.

Holloway underwent arthroscopic surgery on his right elbow Tuesday, Christina De Nicola of MLB.com reports.

Holloway (elbow) was transferred to the 60-day injured list Monday.

Holloway was recalled from Triple-A Jacksonville on Friday, Jordan McPherson of the Miami Herald reports.

Holloway (undisclosed) was activated off the injured list for Triple-A Jacksonville on Monday, Christina De Nicola of MLB.com reports.

Holloway (undisclosed) is scheduled to make another rehab appearance for Single-A Jupiter on Wednesday, Christina De Nicola of MLB.com reports.