![Will Clark hits a grand slam in NLCS playoff game against the Chicago Cubs in Chicago, October 4, 1989 (Brant Ward/San Francisco Chronicle via AP Stock Photo - Alamy](https://s.hdnux.com/photos/53/25/04/11358495/8/rawImage.jpg)
A classic Giants-Cubs playoff matchup 27 years ago
![Will Clark hits a grand slam in NLCS playoff game against the Chicago Cubs in Chicago, October 4, 1989 (Brant Ward/San Francisco Chronicle via AP Stock Photo - Alamy](https://c8.alamy.com/comp/2NJKKFD/will-clark-hits-a-grand-slam-in-nlcs-playoff-game-against-the-chicago-cubs-in-chicago-october-4-1989-brant-wardsan-francisco-chronicle-via-ap-2NJKKFD.jpg)
Will Clark hits a grand slam in NLCS playoff game against the
![Will Clark hits a grand slam in NLCS playoff game against the Chicago Cubs in Chicago, October 4, 1989 (Brant Ward/San Francisco Chronicle via AP Stock Photo - Alamy](https://upload.wikimedia.org/wikipedia/commons/3/37/1986_San_Francisco_Giants_Postcards_Will_Clark.jpg)
Will Clark: Most Up-to-Date Encyclopedia, News & Reviews
![Will Clark hits a grand slam in NLCS playoff game against the Chicago Cubs in Chicago, October 4, 1989 (Brant Ward/San Francisco Chronicle via AP Stock Photo - Alamy](https://s.hdnux.com/photos/53/25/04/11358466/6/1200x0.jpg)
A classic Giants-Cubs playoff matchup 27 years ago
![Will Clark hits a grand slam in NLCS playoff game against the Chicago Cubs in Chicago, October 4, 1989 (Brant Ward/San Francisco Chronicle via AP Stock Photo - Alamy](https://upload.wikimedia.org/wikipedia/commons/a/af/SFGiants_22.png)
Will Clark: Most Up-to-Date Encyclopedia, News & Reviews
![Will Clark hits a grand slam in NLCS playoff game against the Chicago Cubs in Chicago, October 4, 1989 (Brant Ward/San Francisco Chronicle via AP Stock Photo - Alamy](https://upload.wikimedia.org/wikipedia/commons/a/ad/Will_Clark_preparing_to_bat_during_seventh_inning_of_12_August_1992_game_between_San_Francisco_Giants_and_Houston_Astros_%28cropped%29.jpg)
Will Clark: Most Up-to-Date Encyclopedia, News & Reviews
![Will Clark hits a grand slam in NLCS playoff game against the Chicago Cubs in Chicago, October 4, 1989 (Brant Ward/San Francisco Chronicle via AP Stock Photo - Alamy](https://s.hdnux.com/photos/53/25/03/11358463/6/1200x0.jpg)
A classic Giants-Cubs playoff matchup 27 years ago