BALTIMORE, MD -- The Houston Astros open a three-game interleague series tonight in Baltimore against the Orioles.
It's Houston's first trip to Baltimore since the O's traded shortstop Miguel Tejada to the Astros for five players, including outfielder Luke Scott and relievers Dennis Sarfate and Matt Albers.
The Astros will start Brendan Backe, who's lost three starts in a row to fall to 4-8.
The O's go with 5-2 Garrett Olson, who's unbeaten in four starts
at Camden Yards.