Team officials warn the outfield walls may crumble and have to be rebuilt next year when ivy is removed.
Cubs Chairman Tom Ricketts and pitcher Fergie Jenkins will join the tree lighting festivities.
The toy drive, part of the team's 100 Gifts of Service, benefits kids at Lawrence Hall Youth Services.
The Cubs hope to debut new bleachers, five outfield signs and two video boards by Opening Day 2015.
The Cubs want to debut new bleachers, five outfield signs and a bleacher expansion by Opening Day 2015.
Construction crews moved the caretaker's house this week. Excavation work is starting.
The caretaker's house will be restored and brought back to its home at 1053 W. Waveland Ave. by March.
The Cubs hope to debut a bleacher expansion, five outfield signs, two video boards by Opening Day 2015.
Crews continued work on Wrigley Field bleachers this week. Next up: excavation and structural supports.
The left-field bleachers came down this week as Wrigley Field construction continued.
On Saturday, Cubs representatives and public officials officially broke ground on the project.
The statues will be refurbished while construction takes place at Wrigley Field this offeason.
Construction at the 100-year-old ballpark began Monday in Wrigleyville, closing off bordering streets.
On the Twitter handle CubsNoHitStreak, Jimmy Greenfield keeps track of a Cubs streak that began in 1965.
The team hopes to debut a bleacher expansion, five outfield signs and two video boards by March 2015.
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