Only one other postseason game in baseball history lasted 18 innings — when the Astros beat the Braves 7-6 in a 2005 NLDS. That one held the previous record for most time, too, at 5:50.

Right-hander Jordan Zimmermann, coming off the team's first no-hiter since arriving in D.C. from Montreal for the 2005 season, takes the hill to try to square the NLDS at one game apiece.