Can the Cubs pull off the impossible?
Only one other team in the history of Major League Baseball's League Championship Series has come back from down 3-0: Theo Epstein's 2004 Boston Red Sox.
The Cubs would have to do just that if "Back to the Future" is to be correct.
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Cubs manager Joe Maddon has talked all season about how the team just needs to take it one day at a time, to go on one-game winning streaks at once.