The Chicago Cubs by YuC

Question 5

Of course, we can't talk about the Cubs without talking about their penchant for snatching defeat from the jaws of victory. On August 19th, 1969, the Cubs led the NL East by 8.5 games over the second-place team, and 9.5 games over the third-place team. By the end of the season, the Cubs had slumped, and the third-place team had surged ahead to win the division by eight games. WHAT TEAM was the NL East division champion in 1969?

New York Mets