Eflin, on the other hand, has likely seen his last appearance with the Orioles. The back surgery ends a disappointing season for the 31-year-old right-hander, who is in the final season of a three-year, $40 million contract originally signed with the Rays.

The Baltimore Orioles have ruled out two more pitchers for the season. Right-hander Zach Eflin needs a lower back procedure, and closer Félix Bautista has what manager Tony Mansolino called a “significant” shoulder injury.

Ahead of Tuesday’s game against the Mariners, the Orioles made it official: Félix Bautista will not be pitching again for the team this season. Interim manager Tony Mansolino told reporters that Bautista has a “significant” shoulder injury and will be out for the rest of the season.