The Yankees optioned Bird to Triple-A Scranton/Wilkes-Barre on Saturday, Bryan Hoch of MLB.com reports.
Bird pitched scoreless innings in both Friday's and Saturday's contests, lowering his ERA to 4.88 through 24 innings on the season. He'll now end up as the roster casualty necessary to create space in preparation for Elmer Rodriguez's promotion Sunday. Bird is likely to return to the Bronx at some point this season when the Yankees need a fresh arm in the bullpen.