The Orioles have made the following roster moves:

• Selected the contract of RHP Chayce McDermott from Triple-A Norfolk. He will wear No. 60 and start tonight’s game, which will be his Major League debut.
• Optioned RHP Bryan Baker to Triple-A Norfolk after yesterday’s game.
• Designated RHP Jonathan Heasley for assignment.

The Orioles’ 40-man roster currently has 40 players.