Wacha has pitched 157.1 innings so far this season. In 2014, Wacha experienced shoulder discomfort in his throwing arm. He spent time on the disabled list due to a stress reaction to the scapula bone in his right shoulder.
Wacha, 23, was selected to his first All-Star Game this season. In 25 starts, Wacha is 15.4 with 134 strikeouts and a 2.69 ERA.
The Cardinals entered Wednesday with the best record in the majors at 86-46. The only other team with 80 wins entering Wednesday is the Kansas City Royals.
- Rohan Nadkarni