Cubs 8, Giants 6

Cubs second baseman Addison Russell signs autographs before the game.

Cubs second baseman Jonathan Herrera, right, makes a catch in the seventh inning.

Cubs third baseman Kris Bryant slides back to first in the fifth inning.

San Francisco Giants first baseman Brandon Belt attempts to catch a foul ball hit by Cubs third baseman Kris Bryant in the third inning.

Cubs catcher Miguel Montero makes a hit to bring in a runner in the fifth inning.

San Francisco Giants relief pitcher George Kontos (70) is brought into the game in the fifth inning.

Cubs catcher Miguel Montero sides to second as San Francisco Giants shortstop Brandon Crawford throws to first completing a double play in the fifth inning.

The Cubs bullpen watches the game against the San Francisco Giants.

Cubs relief pitcher Travis Wood throws in the fifth inning.

Cubs catcher Miguel Montero attempts to catch a foul popup against the San Francisco Giants.

Cubs starting pitcher Kyle Hendricks throws the opening pitch at Wrigley Field.

Cubs second baseman Addison Russell, right, hands a broken bat to the San Francisco Giants bat boy at Wrigley Field.

Cubs right fielder Jorge Soler scales the ivy trying to catch a deep right field hit by San Francisco Giants first baseman Brandon Belt in the second inning.

San Francisco Giants first baseman Brandon Belt rounds second after hitting a two-run home run.

Fans hold a sign for the birthday of Cubs first baseman Anthony Rizzo at Wrigley Field.

Cubs center fielder Dexter Fowler gets up after being hit by a pitch in the third inning.

San Francisco Giants left fielder Nori Aoki makes a catch in the fourth inning.

Cubs third baseman Kris Bryant smiles after hitting a two-run home run in the third inning.

Fans cheer as Cubs third baseman Kris Bryant rounds the bases after hitting a two-run home run.