Giant's - A's rivalry is a joke.

Giants - Dodgers rivalry for real.

I attended the last Giants night time double header vs the Dodgers.
It was a Friday night and the fans were rowdy. Game 2 didn't start till
9:30 pm. We sat in the bleachers leaning on the visitors bullpen in left field.
A little Mexican dude 4 rows behind had a bullhorn shouting the entire games
" Hey you Dodger, Go Home ". Then suddenly a whiskey bottle flew overhead and hit Kurt Gibson in left field. All hell broke loose, cops swarmed our area and arrests were made. Several big fights broke out. Man were we drunk.
That was the last time alcohol was allowed after the 6th inning and the following year they moved the bleachers back 50 yards and had a buffer zone.
Of course we were to drunk to drive home at 1:30 am when game 2 ended, so we passed out in the car and when we awoke, we were the last car in the parking lot.
One bad apple ruined Candlestick baseball forever.