Bill Murray has the best reaction to the Cubs' World Series comeback

No one was more excited about the Chicago Cubs' stunning comeback in Game 5 of the World Series besides the Cubbies themselves ... and Bill Murray.

The 2016 Mark Twain Award recipient and noted Cubs superfan (who sang Take Me Out to the Ballgame at Game 3) was caught on the big screen at Wrigley Field celebrating in a very Murray way after the big win. By flexing.

He also got pretty emotional. But hey, when you've been waiting for a World Series win for 108 years, it's hard not to get emotional!