The Orioles signed Cooper to a minor-league contract Monday, Craig Mish of the Miami Herald reports.
The Red Sox released Cooper on Friday, Mac Cerullo of the Boston Herald reports.
The Red Sox designated Cooper for assignment Tuesday, Christopher Smith of MassLive.com reports.
Cooper is out of the lineup for Wednesday's game against Atlanta, Mac Cerullo of the Boston Herald reports.
Cooper is not in the lineup for Wednesday's game in Baltimore.
Cooper (shoulder) is batting third as the designated hitter Sunday against the Brewers, Pete Abraham of The Boston Globe reports.
Cooper was scratched from Boston's lineup prior to Wednesday's game against the Rays due to right shoulder discomfort, Chris Cotillo of The Springfield Republican reports.
Cooper is out of the lineup for Monday's game against the Rays, Chris Cotillo of The Springfield Republican reports.
Cooper is out of the lineup for Tuesday's game against the Rays, Chris Cotillo of The Springfield Republican reports.
Cooper is out of the lineup for Monday's game against the Rays, Chris Cotillo of The Springfield Republican reports.