St. Louis Cardinals' Matt Carpenter watches his two RBI single against the Chicago Cubs in the second inning in a baseball game, Sunday, April 13, 2014, in St. Louis. (AP Photo/Bill Boyce)
Chicago Cubs' starting pitcher Edwin Jackson throws against the St. Louis Cardinals 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 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' Jon Jay, left, Matt Holliday, center, and Allen Craig celebrate following the Cardinals' 10-4 victory over the Chicago Cubs in a baseball game Saturday, April 12, 2014, in St. Louis. T(AP Photo/Jeff Roberson)
St. Louis Cardinals starting pitcher Adam Wainwright throws during the third inning of a baseball game against the Chicago Cubs, Saturday, April 12, 2014, in St. Louis. (AP Photo/Jeff Roberson)
Chicago Cubs' Junior Lake, left, is congratulated by teammate Luis Valbuena after Lake hit a solo home run during the first inning of a baseball game against the St. Louis Cardinals, Saturday, April 12, 2014, in St. Louis. (AP Photo/Jeff Roberson)
St. Louis Cardinals starting pitcher Adam Wainwright, left, waits for a new ball as Chicago Cubs' Junior Lake rounds the bases after hitting a solo home run during the first inning of a baseball game Saturday, April 12, 2014, in St. Louis. (AP Photo/Jeff Roberson)
St. Louis Cardinals' Adam Wainwright hits an RBI single during the second inning of a baseball game against the Chicago Cubs, Saturday, April 12, 2014, in St. Louis. (AP Photo/Jeff Roberson)