Pittsburgh Pirates starting pitcher Wandy Rodriguez pauses after giving up a solo home run to Chicago Cubs' Junior Lake during the fifth inning of a baseball game in Chicago, Wednesday, April 9, 2014. (AP Photo/Paul Beaty)
Chicago Cubs' Mike Olt watches his two-run home run during the fifth inning of a baseball game against the Pittsburgh Pirates in Chicago, Wednesday, April 9, 2014. (AP Photo/Paul Beaty)
Chicago Cubs' Junior Lake watches his solo home run during the fifth inning of a baseball game against the Pittsburgh Pirates in Chicago, Wednesday, April 9, 2014. (AP Photo/Paul Beaty)
Pittsburgh Pirates' Pedro Alvarez (24), celebrates with Russell Martin (55) at home plate after hitting a solo home run during the fifth inning of a baseball game against the Chicago Cubs in Chicago, Wednesday, April 9, 2014. (AP Photo/Paul Beaty)
Chicago Cubs starter Jason Hammel delivers a pitch during the first inning of a baseball game against the Pittsburgh Pirates in Chicago, Wednesday, April 9, 2014. (AP Photo/Paul Beaty)