The Mariners recalled Speier from Triple-A Tacoma on Sunday, Shannon Drayer of SeattleSports.com reports.

The Mariners optioned Speier to Triple-A Tacoma on Saturday, Ryan Divish of The Seattle Times reports.

The Mariners recalled Speier from Triple-A Tacoma on Friday.

The Mariners optioned Speier to Triple-A Tacoma on Tuesday.

The Mariners reinstated Speier (shoulder) from the 15-day injured list Friday.

Speier (shoulder) started the ACL Mariners' loss to the ACL Giants on Monday, firing a scoreless inning during which he allowed a hit and did not record any walks or strikeouts.

Speier (shoulder) fired a scoreless inning in Triple-A Tacoma's loss to Albuquerque on Friday, allowing two hits and a walk without recording a strikeout.

Speier (shoulder) emerged from throwing live batting practice Petco Park on Tuesday feeling healthy and will make rehab appearances Thursday and Monday, MLB.com reports.

Speier (shoulder) is slated to throw a live batting practice either Tuesday or Wednesday, after which a decision will be made on whether he'll begin a rehab assignment, MLB.com reports.

Speier (shoulder) will throw a bullpen session Tuesday, MLB.com reports.