[Mick]

The Giants and Dodgers have been playing each other, in one incarnation or another, since the 1889 World Series when they were the Brooklyn Bridegrooms and the New York Giants. The World Series that year was between the winner of the National League (Giants) and the winner of the American Association (Bridegrooms). The Bridegrooms defected to the National League the next year.

Here's the trivia questions, as of today: 

Who is ahead in the cumulative regular season series against each other? It is exactly tied. Both teams are 1,287-1,287-17.
Who is ahead in post-season face to face games? Dodgers have a 3-2 lead.
Who has been to the postseason more? Dodgers have been to 39 playoffs, Giants have been to 27. Dodgers have been to 26 World Series, Giants have been to 23 World Series.
Who has won more World Series? Giants have won ten, Dodgers have won eight.
Which team has more overall wins? Giants have won 11,671 games in their history, Dodgers have won 11,519.
Which team has more overall losses? Dodgers have 10,135 losses, Giants have 10,097.
Which team has scored more runs per game? Giants, 4.6 to 4.5.
Which team has allowed the fewest runs per game? Dodgers, 4.2 to 4.3.

Amazing how close both teams are.

Los Angeles Dodgers vs. San Francisco Giants: Head-to-Head Reg Season and Playoffs Stats Comparison | Stathead.com

[Mick]

The Giants and Dodgers have been playing each other, in one incarnation or another, since the 1889 World Series when they were the Brooklyn Bridegrooms and the New York Giants. The World Series that year was between the winner of the National League (Giants) and the winner of the American Association (Bridegrooms). The Bridegrooms defected to the National League the next year.

Here's the trivia questions, as of today: 

Who is ahead in the cumulative regular season series against each other? It is exactly tied. Both teams are 1,287-1,287-17.
Who is ahead in post-season face to face games? Dodgers have a 3-2 lead.
Who has been to the postseason more? Dodgers have been to 39 playoffs, Giants have been to 27. Dodgers have been to 26 World Series, Giants have been to 23 World Series.
Who has won more World Series? Giants have won ten, Dodgers have won eight.
Which team has more overall wins? Giants have won 11,671 games in their history, Dodgers have won 11,519.
Which team has more overall losses? Dodgers have 10,135 losses, Giants have 10,097.
Which team has scored more runs per game? Giants, 4.6 to 4.5.
Which team has allowed the fewest runs per game? Dodgers, 4.2 to 4.3.

Amazing how close both teams are.

Los Angeles Dodgers vs. San Francisco Giants: Head-to-Head Reg Season and Playoffs Stats Comparison | Stathead.com