Chicago Cubs shortstop Starlin Castro loses the ball as Pittsburgh Pirates Starling Marte steals second during the eighth inning of the MLB National League baseball game on Tuesday, April 8, 2014, in Chicago. (AP Photo/Andrew A. Nelles)
Pittsburgh Pirates starting pitcher Charlie Morton pitches against the Chicago Cubs during the first inning of a baseball game on Tuesday, April 8, 2014, in Chicago. (AP Photo/Andrew A. Nelles)
Philadelphia Phillies' Chase Utley, right, celebrates with third base coach Pete Mackanin after hitting a solo home run during the first inning of a baseball game against the Chicago Cubs in Chicago, Saturday, April 5, 2014. (AP Photo/Nam Y. Huh)
Philadelphia Phillies Chase Utley hits an RBI single against the Chicago Cubs during the seventh inning of a baseball game on Friday, April 4, 2014, in Chicago. (AP Photo/Andrew A. Nelles)