Josh Bell picked up his second RBI with a sacrifice fly in the fourth inning, increasing the Orioles' lead to 3-0.
Nick Markakis led off with a double and Miguel Tejada singled to put runners on the corners. Markakis was tagged out in a rundown after Matt Wieters bounced to first, but Luke Scott singled up the middle to score Tejada.
Garrett Atkins singled to load the bases before Bell stepped to the plate.
Cla Meredith retired all three batters he faced in the fourth on three ground balls.
Dennis Sarfate allowed a run in the fifth on two hits, a walk and a wild pitch. He also struck out a batter.
I heard it but didn't see it while staking out Jeremy Guthrie outside the clubhouse.