The Athletics defeated the Orioles , 8 - 1 .
Baltimore Orioles pitcher Jake Arrieta works against the Oakland Athletics at Camden Yards in Baltimore , Maryland , on Thursday , July 1 , 2010 .
The Oakland Athletics defeated the Baltimore , 8 - 1 .
Baltimore Orioles pitcher Jake Arrieta works against the Oakland Athletics at Camden Yards in Baltimore , Maryland , on Thursday , July 1 , 2010 .