Joseph played for the Frederick Keys, an advanced Class A affiliate of the Orioles. Joseph earned Carolina League All-Star honors in the midseason and the postseason. He finished eighth in the league in batting with a .284 average.
Joseph won the award over all of the other minor league players in the Orioles organization. He spent many hours working with camps, youth groups and other organizations on home game days for the Keys who are located in Frederick, Md.