Chicago Cubs' Ryan Sweeney hits a two-run home run during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Cardinals starting pitcher Adam Wainwright, left, watches as a solo home run by Chicago Cubs' Cody Ransom, right, clears the left field wall during the first inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

Chicago Cubs starting pitcher Jeff Samardzija throws during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

Chicago Cubs' Alfonso Soriano hits an RBI-double during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

Chicago Cubs third baseman Luis Valbuena leaps for a high bounce off the bat of St. Louis Cardinals' Pete Kozma in the third inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. (AP Photo/St. Louis Post-Dispatch, Chris Lee)

Chicago Cubs' Ryan Sweeney, right, is congratulated by manager Dale Sveum, center, as he returns to the dugout after hitting a two-run home run in the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/St. Louis Post-Dispatch, Chris Lee)

St. Louis Cardinals' Shane Robinson stands on second after being called out by second base umpire Fieldin Culbreth, left, at the end of a baseball game against the Chicago Cubs on Tuesday, June 18, 2013, in St. Louis. The Cubs won 4-2. (AP Photo/Jeff Roberson)

Chicago Cubs relief pitcher Kevin Gregg reacts after the final out in a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. The Cubs won 4-2. (AP Photo/Jeff Roberson)

Chicago Cubs shortstop Starlin Castro, bottom, misses a ball hit by St. Louis Cardinals' Matt Holliday for a single as Cubs left fielder Alfonso Soriano watches during the ninth inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Cardinals manager Mike Matheny, right, talks with starting pitcher Adam Wainwright during the seventh inning of a baseball game against the Chicago Cubs on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Cardinals first round draft pick Rob Kaminsky speaks to the media at Busch Stadium before the start of a baseball game between the St. Louis Cardinals and the Chicago Cubs on Tuesday, June 18, 2013, in St. Louis. Kaminsky, a left-handed pitcher, was taken 28th overall by the Cardinals in the 2013 draft. (AP Photo/St. Louis Post-Dispatch, Chris Lee)

St. Louis Cardinals' Carlos Beltran, right, rounds the bases after hitting a solo home run off Chicago Cubs starting pitcher Jeff Samardzija, left, during the sixth inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

ST. LOUIS, MO - JUNE 18: Carlos Beltran #3 of the St. Louis Cardinals is congratulated after hitting a solo home run against the Chicago Cubs in the sixth inning at Busch Stadium on June 18, 2013 in St. Louis, Missouri. The Cubs beat the Cardinals 4-2. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO - JUNE 18: Manager Mike Matheny #22 of the St. Louis Cardinals argues a call for the final out of the game with umpire Fieldin Culbreth #25 as the Chicago Cubs celebrate a victory at Busch Stadium on June 18, 2013 in St. Louis, Missouri. The Cubs beat the Cardinals 4-2. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO - JUNE 18: Reliever Joe Kelly #58 of the St. Louis Cardinals pitches against the Chicago Cubs at Busch Stadium on June 18, 2013 in St. Louis, Missouri. The Cubs beat the Cardinals 4-2. (Photo by Dilip Vishwanat/Getty Images)

Chicago Cubs second baseman Darwin Barney, right, chases down St. Louis Cardinals' Carlos Beltran after Beltran was caught between first and second on a ground out by the Cardinals' Matt Holliday during the fourth inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. Beltran was eventually tagged out by Cubs first baseman Cody Ransom. (AP Photo/Jeff Roberson)

ST. LOUIS, MO - JUNE 18: Starter Jeff Samardzija #29 of the Chicago Cubs pitches against the St. Louis Cardinals at Busch Stadium on June 18, 2013 in St. Louis, Missouri. The Cubs beat the Cardinals 4-2. (Photo by Dilip Vishwanat/Getty Images)

Chicago Cubs' Cody Ransom, right, rounds the bases after hitting a solo home run off St. Louis Cardinals starting pitcher Adam Wainwright, left, during the first inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

ST. LOUIS, MO - JUNE 18: Starter Jeff Samardzija #29 of the Chicago Cubs lays down a bunt to move a runner against the St. Louis Cardinals in the seventh inning at Busch Stadium on June 18, 2013 in St. Louis, Missouri. The Cubs beat the Cardinals 4-2. (Photo by Dilip Vishwanat/Getty Images)

Chicago Cubs' Ryan Sweeney, left, is congratulated by teammate Cody Ransom after hitting a two-run home run during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

St. Louis Cardinals starting pitcher Adam Wainwright throws during the first inning of a baseball game against the Chicago Cubs on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

Chicago Cubs' Alfonso Soriano hits an RBI-double during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

ST. LOUIS, MO - JUNE 18: Luis Valbuena #24 of the Chicago Cubs throws a runn out at first base against the St. Louis Cardinals in the sixth inning at Busch Stadium on June 18, 2013 in St. Louis, Missouri. The Cubs beat the Cardinals 4-2. (Photo by Dilip Vishwanat/Getty Images)

St. Louis Cardinals starting pitcher Adam Wainwright, left, watches as a solo home run by Chicago Cubs' Cody Ransom, right, clears the left field wall during the first inning of a baseball game on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

Chicago Cubs' Ryan Sweeney hits a two-run home run during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

Chicago Cubs starting pitcher Jeff Samardzija throws during the first inning of a baseball game against the St. Louis Cardinals on Tuesday, June 18, 2013, in St. Louis. (AP Photo/Jeff Roberson)

ST. LOUIS, MO - JUNE 18: Luis Valbuena #24 of the Chicago Cubs fields a ground ball against the St. Louis Cardinals in the sixth inning at Busch Stadium on June 18, 2013 in St. Louis, Missouri. The Cubs beat the Cardinals 4-2. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO - JUNE 18: Starter Adam Wainwright #50 of the St. Louis Cardinals pitches against the Chicago Cubs at Busch Stadium on June 18, 2013 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO - JUNE 18: Starter Jeff Samardzija #29 of the Chicago Cubs pitches against the St. Louis Cardinals at Busch Stadium on June 18, 2013 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)

ST. LOUIS, MO - JUNE 18: Starter Jeff Samardzija #29 of the Chicago Cubs pitches against the St. Louis Cardinals at Busch Stadium on June 18, 2013 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)