The Nationals have promoted prospect right-hander A.J. Cole to Double-A Harrisburg.
Nationals acquired RHP A.J. Cole from the Athletics in a three-team trade.
Athletics acquired RHP A.J. Cole, LHP Tommy Milone, RHP Brad Peacock and C Derek Norris from the Nationals for LHP Gio Gonzalez.
Nationals agreed to terms with fourth-round pick RHP A.J. Cole.