MLB: Pitcher tested positive for banned substance

NEW YORK -- Korea pitcher Myung Hwan Park has tested positive for a banned substance and is disqualified from the World Baseball Classic, Major League Baseball said in a release Friday.

Park tossed two shutout innings in one appearance with Korea, striking out three and walking two.

Korea is undefeated heading into its matchup with Japan in the WBC semifinals Saturday night at San Diego's Petco Park.