Daniel Cabrera held the Boston Red Sox hitless for four innings, but he gave up back-to-back doubles to Joe McEwing and Albert Castillo in the fifth, and loaded the bases before Mike Lowell flied out.
Cabrera walked five, the biggest blemish on his record.
The Orioles scored a run in the fourth on a two-out double by Miguel Tejada and an Aubrey Huff single.
Hayden Penn met with manager Sam Perlozzo this morning and they cleared the air. Everyone is ready to move on.