On September 27, 1989 — It is a good day for fans in the Bay area as both the Giants and A’s clinch their divisions. Oakland wins the American League West with a 5-0 victory over the Rangers, while San Francisco loses, 1 – 0, to the Dodgers but is assured of the National League West crown when the 2nd-place Padres lose to the Reds, 2 – 1 in 13 innings.