The Orioles traded De Aza to the Red Sox on Wednesday, Ken Rosenthal of FOX Sports reports. De Aza will head to Boston after being designated for assignment by the Orioles last week. He tallied eight extra-base hits in 30 games with the Orioles earlier this season, but he also posted a .214 batting average and an ugly 7:34 BB:K ratio. De Aza will fill a reserve outfield role for the Red Sox, and his playing time figures to be minimal.