Cubs Cardinals Baseball

Chicago Cubs' Koji Uehara, of Japan, shags a ball while warming up before the start of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Koji Uehara, of Japan, jokes around with Hector Rondon, left, in left field before the start of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Koji Uehara, of Japan, warms up in left field before the start of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Koji Uehara, of Japan, warms up in left field before the start of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Koji Uehara, of Japan, warms up in left field before the start of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals starting pitcher Mike Leake (8) delivers during the first inning of a baseball game against the Chicago Cubs Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs starting pitcher Eddie Butler delivers during the first inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs starting pitcher Eddie Butler delivers during the first inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals second baseman Kolten Wong throws to first base to get Chicago Cubs Anthony Rizzo out during the third inning of a baseball game Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Willson Contreras (40) is congratulated by Chicago Cubs manager Joe Maddon, left, after hitting his second home run of the night during the fourth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Eddie Butler lays down a bunt during the fourth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Aledmys Diaz lays down a bunt for a hit during the fourth inning of a baseball game against the Chicago Cubs Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Aledmys Diaz lays down a bunt for a base hit during the fourth inning of a baseball game Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Willson Contreras at bat during the fifth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Willson Contreras at bat during the fifth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals relief pitcher Brett Cecil (21) delivers during the seventh inning of a baseball game against the Chicago Cubs Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Tommy La Stella, right, is congratulated by Chicago Cubs third base coach Gary Jones (1) after hitting a home run during the seventh inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs' Tommy La Stella (2) is congratulated by Chicago Cubs manager Joe Maddon, left, after hitting a home run during the seventh inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs relief pitcher Carl Edwards Jr. delivers during the seventh inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Randal Grichuk scores after hitting a home run during the seventh inning of a baseball game against the Chicago Cubs Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Randal Grichuk, right, celebrates with St. Louis Cardinals' Kolten Wong, left, after hitting a home run during the seventh inning of a baseball game against the Chicago Cubs Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Randal Grichuk, center, is congratulated in the dugout after hitting a home run during the seventh inning of a baseball game against the Chicago Cubs Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs relief pitcher Koji Uehara, of Japan, delivers during the eighth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs relief pitcher Koji Uehara, of Japan, follows through on a pitch during the eighth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs relief pitcher Koji Uehara, of Japan, delivers during the eighth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs relief pitcher Koji Uehara, of Japan, stands on the mound during the eighth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs relief pitcher Koji Uehara, of Japan, walks back to the mound during the eighth inning of a baseball game against the St. Louis Cardinals Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals relief pitcher Kevin Siegrist delivers during the eighth inning of a baseball game against the Chicago Cubs Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs relief pitcher Wade Davis delivers during the ninth inning of a baseball game. The Chicago Cubs defeated the St. Louis Cardinals 3-2 Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Randal Grichuk, right, is tagged by Chicago Cubs' Javier Baez, left, after safely stealing second base during the ninth inning of a baseball game. The Chicago Cubs defeated the St. Louis Cardinals 3-2 Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Randal Grichuk scores on a wild throw to first base after St. Louis Cardinals' Kolten Wong strikes out during the ninth inning of a baseball game. The Chicago Cubs defeated the St. Louis Cardinals 3-2 Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

St. Louis Cardinals' Matt Adams at bat during the ninth inning of a baseball game. The Chicago Cubs defeated the St. Louis Cardinals 3-2 Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)

Cubs Cardinals Baseball

Chicago Cubs catcher Willson Contreras, left, celebrates with Chicago Cubs' Wade Davis, right, after the win at the conclusion of the ninth inning of a baseball game. The Chicago Cubs defeated the St. Louis Cardinals 3-2 Friday, May 12, 2017, in St. Louis. (AP Photo/Tim Spyers)