Giants defeated Cubs 4-1 in 1989 NLCS to reach World Series
Flashback: Will Clark provides Giant thrill in historic 1989 playoff game – Crescent City Sports
Steve Bartman' game: Breakdown of Game 6 of the 2003 NLCS
A look ahead at the Cubs-Giants NLDS
NLCS Game 5 results: Dodgers blow out Cubs, advance to World Series - True Blue LA
Cubs rally to defeat Giants, advance to NLCS
1989 World Series - Wikipedia
1989 NLCS Gm5: Clark drives in a pair with a single
San Diego Stadium farewell: Garvey's '84 homer remains Padres' — and city's — most memorable sports moment - The San Diego Union-Tribune
Will Clark, Greg Maddux and the lip-reading that (allegedly) changed baseball - The Athletic
1989 NLCS recap
The Oakland Athletics, who won 99 regular season games in 1989, defeat
Steve Bartman' game: Breakdown of Game 6 of the 2003 NLCS
2015 World Series - Wikipedia