40-man Roster – The Baltimore Battery

O’s claim LHP Cionel Pérez off waivers

The Orioles now have a full 40-man roster, as they have claimed left-hander Cionel Pérez off waivers from the Cincinnati Reds.

Orioles add 6 players to 40-man roster

With the deadline approaching on Friday to add players to the 40-man roster in order to protect them from the Rule 5 Draft, the Orioles added a group of top prospects, six to be exact.