Red Sox signed RHP Austin Adams to a minor league contract and invited him to spring training.

Athletics sent RHP Austin Adams and INF Armando Alvarez outright to Triple-A Las Vegas.

Athletics placed RHP Austin Adams on the 15-day injured list, retroactive to August 14, with right elbow tightness.

Athletics’ manager Mark Kotsay told reporters that Austin Adams will be placed on the injured list on Sunday with tightness in his elbow.