Zachary Garrett Jackson (born December 25, 1994) is an American professional baseball pitcher for the Oakland Athletics of Major League Baseball (MLB).
The Toronto Blue Jays selected Jackson in the third round of the 2016 Major League Baseball draft. He signed for a $275,000 bonus and was assigned to the Rookie-level Gulf Coast League Blue Jays. After one appearance in the GCL, Jackson was promoted to the Short Season-A Vancouver Canadians of the Northwest League, where he ended the season.