Pittsburgh Pirates starting pitcher Charlie Morton (50) delivers during the first inning of a baseball game against the St. Louis Cardinals in Pittsburgh Sunday, May 11, 2014. (AP Photo/Gene Puskar)
Pittsburgh Pirates' Jordy Mercer (10) hits a two-run home run off St. Louis Cardinals starting pitcher Shelby Miller during the fourth inning of a baseball game in Pittsburgh Sunday, May 11, 2014. (AP Photo/Gene Puskar)
St. Louis Cardinals catcher Yadier Molina throws to first to complete a game-ending double play on Pittsburgh Pirates' Jordy Mercer at first base, after getting the force out at home on Pirates' Andrew McCutchen (22) during the ninth inning of a baseball game in Pittsburgh, Sunday, May 11, 2014. The Cardinals won 6-5. (AP Photo/Gene Puskar)
St. Louis Cardinals' Jon Jay celebrates with closer Trevor Rosenthal (26) after getting the final out in the ninth inning of a baseball game against the Pittsburgh Pirates in Pittsburgh, Sunday, May 11, 2014. The Cardinals won 6-5. (AP Photo/Gene Puskar)
St. Louis Cardinals' Mark Ellis (3) drives in a run with a single off Pittsburgh Pirates starting pitcher Charlie Morton during the first inning of a baseball game in Pittsburgh Sunday, May 11, 2014. (AP Photo/Gene Puskar)
St. Louis Cardinals' Matt Holliday, left, and Adam Wainwright, right, clown around in the dugout before a baseball game against the Pittsburgh Pirates in Pittsburgh Sunday, May 11, 2014. (AP Photo/Gene Puskar)
Pittsburgh Pirates starting pitcher Charlie Morton (50) delivers during the first inning of a baseball game against the St. Louis Cardinals in Pittsburgh Sunday, May 11, 2014. (AP Photo/Gene Puskar)
St. Louis Cardinals starting pitcher Shelby Miller (40) delivers during the first inning of a baseball game against the Pittsburgh Pirates in Pittsburgh Sunday, May 11, 2014. (AP Photo/Gene Puskar)