| 1989 American League Championship Series | ||||||||||
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| Dates | October 3–8 | |||||||||
| MVP | Rickey Henderson (Oakland) | |||||||||
| Umpires | Dave Phillips (crew chief) Dan Morrison Dale Ford Derryl Cousins Rick Reed Steve Palermo | |||||||||
| Broadcast | ||||||||||
| Television | NBC | |||||||||
| TV announcers | Bob Costas and Tony Kubek | |||||||||
| Radio | CBS | |||||||||
| Radio announcers | Brent Musburger and Johnny Bench | |||||||||
| Streaming | ||||||||||
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The 1989 American League Championship Series was played between the Oakland Athletics and the Toronto Blue Jays from October 3 to 8. A dominant Oakland team took the Series four games to one, en route to a sweep of their cross-bay rivals, the San Francisco Giants, in a World Series marred by the destructive Loma Prieta earthquake.