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)
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)
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)
