Leonys Martin left Monday's game versus the Astros in the fifth inning with an apparent injury.
Chris Denorfia exited Monday's game versus the Cardinals after aggravating his left hamstring injury.
Jose Reyes will have an MRI this weekend to see how his cracked rib has healed.
Dioner Navarro recently felt some more tightness in his ailing left hamstring while rehabbing at the Blue Jays' spring training complex.
Mariners placed OF Julio Morban on the restricted list.
Hanley Ramirez has been diagnosed with a left shoulder sprain.
Mariners purchased the contract of RHP Mark Lowe from Triple-A Tacoma.
Jeff Karstens announced his retirement from baseball on Monday.
The Diamondbacks are hopeful that Jake Lamb (foot) will be ready to return by the end of their next homestand that concludes on May 13.
Hunter Pence (forearm) is scheduled to take batting practice through Friday.
Neil Ramirez (shoulder) is close to resuming throwing off a mound.
Hanley Ramirez left Monday's game versus the Rays in the first inning with an apparent left arm/shoulder injury.
Shannon Drayer of MyNorthwest.com reports that Chris Taylor is expected to "get a good opportunity" at shortstop with the Mariners.
A.J. Griffin (elbow) is close to beginning a rehab assignment.
Mariners designated LHP Mike Kickham for assignment.