Proposed Changes:
New batting cages and clubhouse
Expanded concourses in the upper and lower bowls
Telecommunications and upgrades
Restoration of the exterior
Renovated suites and luxury boxes
LED board
Upper deck concession and entertainment
http://mlb.mlb.com/photos/gallery.jsp?content_id=41042372&c_id=chc&imgId=1&tcid=tw_share
http://espn.go.com/blog/chicago/cubs/post/_/id/14543/cubs-need-help-from-city-for-wrigley-upgrades
http://chicago.cubs.mlb.com/news/article.jsp?ymd=20130119&content_id=41045120&vkey=news_chc&c_id=chc&tcid=tw_article_41045120