Diaz was not pleased when he struck out during his pinch-hit at-bat in the eighth inning. His frustration grew when he returned to the clubhouse and saw the second strike that had been called on him by home-plate umpire Alfonso Marquez.
Marquez has accounted for two of Diaz's three career ejections.
Mark Bowman is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.