Ryan (glute) will throw a live bullpen session of one inning Wednesday, Dan Hayes of The Athletic reports.
The Orioles outrighted Suarez to Triple-A Norfolk on Sunday.
Cowser went 2-for-3 with a solo home run in Sunday's 3-1 loss to the Rays.
Bautista (shoulder) recorded one out in a rehab outing for Double-A Chesapeake on Sunday, allowing three runs on one hit and three walks.
Ryan (glute) completed a 35-pitch bullpen session in St. Paul on Saturday, MLB.com reports.
Ober allowed one run on four hits and three walks while striking out three over five innings in a no-decision versus the Padres on Sunday.
Lee went 1-for-3 with a solo home run in Sunday's 8-1 loss to the Padres.
Alexander (hand) will begin a rehab assignment with Triple-A on Tuesday, Andy Kostka of TheBanner.com reports.
Baz (4-14) took the loss Sunday against Tampa Bay, allowing three runs on five hits and three walks over 5.2 innings. He struck out three.
Jeffers is out of the lineup for Sunday's game against the Padres.
