2 minor leaguers get 50-game drug suspensions
The commissioner's office announced the penalties Wednesday.
White Sox outfielder Adam Heisler tested positive for an amphetamine. Heisler is on the roster of the Class A Winston-Salem Dash of the Carolina League.
Athletics third baseman Tyler Ladendorf had a second positive test for a drug of abuse. Ladendorf is on the roster of the Triple-A Sacramento River Cats of the Pacific Coast League.