Arizona Diamondbacks starting pitcher Bronson Arroyo throws during the first inning of a baseball game against the St. Louis Cardinals Tuesday, May 20, 2014, in St. Louis. (AP Photo/Scott Kane)
St. Louis Cardinals' Matt Adams follows through on a two-run home run during the first inning of a baseball game against the Arizona Diamondbacks Tuesday, May 20, 2014, in St. Louis. (AP Photo/Scott Kane)
St. Louis Cardinals starting pitcher Adam Wainwright throws during the first inning of a baseball game against the Arizona Diamondbacks Tuesday, May 20, 2014, in St. Louis. (AP Photo/Scott Kane)
Arizona Diamondbacks starting pitcher Bronson Arroyo throws during the first inning of a baseball game against the St. Louis Cardinals Tuesday, May 20, 2014, in St. Louis. (AP Photo/Scott Kane)
Arizona Diamondbacks center fielder A.J. Pollock is unable to catch a home run off the bat of St. Louis Cardinals' Matt Adams during the first inning of a baseball game Tuesday, May 20, 2014, in St. Louis. (AP Photo/Scott Kane)