Scott Kazmir will have an MRI of his left shoulder taken Thursday.
Sean Doolittle threw a scoreless sixth inning in the A's loss to the Tigers on Wednesday afternoon.
Scott Kazmir left his start Wednesday against the Tigers after experiencing left shoulder tightness.
Scott Kazmir was pulled from his start Wednesday against the Tigers with an apparent injury.
Ike Davis (quad) will take batting practice on the field Thursday.
Drew Pomeranz (shoulder) will throw a bullpen session on Thursday.
A.J. Griffin (elbow) will throw a simulated game on Thursday.
Marcus Semien is not in the Athletics' lineup Wednesday.
Brett Lawrie (back) went 0-for-4 at the plate in his return to the lineup Tuesday.
Jesse Chavez wasn't provided any run support, taking the loss despite holding the Tigers to an unearned run over eight innings.
Sonny Gray (ankle) threw a bullpen session Tuesday with no issues.
Ben Zobrist is batting third in his return to the A's starting lineup Tuesday against the Tigers.
Athletics activated LHP Sean Doolittle from the 15-day disabled list.
Athletics optioned RHP Angel Castro to Triple-A Nashville.
Jesse Hahn was on his game Monday, going the distance for his first career shutout in a 4-0 victory over the Tigers.