St. Louis Cardinals' starting pitcher Michael Wacha throws against the Chicago Cubs in the first inning of a baseball game, Sunday, April 13, 2014, in St. Louis. (AP Photo/Bill Boyce)
St. Louis Cardinals starting pitcher Michael Wacha watches from the dugout after working during the first inning of a baseball game against the Cincinnati Reds, Monday, April 7, 2014, in St. Louis. (AP Photo/Jeff Roberson)
St. Louis Cardinals starting pitcher Michael Wacha throws during the first inning of a baseball game against the Cincinnati Reds, Monday, April 7, 2014, in St. Louis. (AP Photo/Jeff Roberson)
St. Louis Cardinals starting pitcher Michael Wacha, left, talks with catcher Yadier Molina in the first inning of an MLB National League baseball game against the Cincinnati Reds, Wednesday, April 2, 2014, in Cincinnati. (AP Photo/Al Behrman)
Cincinnati Reds' Ryan Ludwick is hit by a pitch from St. Louis Cardinals starting pitcher Michael Wacha in the fourth inning of an MLB National League baseball game, Wednesday, April 2, 2014, in Cincinnati. (AP Photo/Al Behrman)
St. Louis Cardinals starting pitcher Michael Wacha throws against the Cincinnati Reds in the first inning of a baseball game, Wednesday, April 2, 2014, in Cincinnati. (AP Photo/Al Behrman)
Houston Astros' Jose Altuve rounds the bases after his solo home run off St. Louis Cardinals starting pitcher Michael Wacha during the seventh inning of a spring exhibition baseball game in Kissimmee, Fla., Saturday, March 22, 2014. (AP Photo/Carlos Osorio)
St. Louis Cardinals starting pitcher Michael Wacha throws during the fourth inning of a spring exhibition baseball game against the Houston Astros in Kissimmee, Fla., Saturday, March 22, 2014. (AP Photo/Carlos Osorio)
St. Louis Cardinals starting pitcher Michael Wacha throws during the second inning of an exhibition spring training baseball game against the Washington Nationals, Saturday, March 8, 2014, in Jupiter, Fla. (AP Photo/David Goldman)