The Giants have acquired switch-hitting infielder and outfielder Breyvic Valera from the Baltimore Orioles for cash, adding another former Dodgers player Saturday who new San Francisco president of baseball operations Farhan Zaidi had in Los Angeles. Valera batted . with eight RBIS while playing in 32 games between the Dodgers and Orioles last season while also playing for both clubs' Triple-A affiliates.