Cubs Right 'Roller Coaster' Start to a Thrill-Ride Sweep of Champs

'Roller coaster' Cubs sweep Dodgers with walkoff originally appeared on NBC Sports Chicago. Unheralded Matt Duffy lined a two-out single up the middle to tie the game in the 11th. The guy who had the day off drove home the winner two batters later. And just like that, a Cubs...