Baltimore Orioles veteran right-handed pitcher Zach Eflin will undergo a lumbar microdiscectomy and miss the remainder of the season, interim manager Tony Mansolino said Tuesday. Mansolino also told reporters that right-handed closer Felix Bautista will not return this season due to a shoulder injury the manager deemed "significant.

The Orioles will be without closer Félix Bautista and starter Zach Eflin for the remainder of the summer, Tony Mansolino announced Tuesday.

Orioles closer Felix Bautista has a "significant" shoulder injury, and starter Zach Eflin needs back surgery. Read more at MLB Trade Rumors.