Zack Greinke will replace Jon Lester on the National League All-Star roster.
Lester is due to start for the Chicago Cubs on Sunday and would be unavailable for Tuesday's All-Star Game at Nationals Park in Washington.
This marks the fifth All-Star selection for Greinke, who has a 9-5 record with a 3.39 ERA, 117 strikeouts and 23 walks in 114 innings.