San Francisco Giants First-Place Eliminiation Scenario
San Francisco must win 14 more games (60 total) to avoid elimination from first place.
Here are the final standings in a scenario in which San Francisco finishes in first place with 60 wins:

Team             W	L	PCT	GB
San Francisco    60	102	0.370	0.00
Los Angeles      60	102	0.370	0.00
Arizona          59	103	0.364	1.00
San Diego        59	103	0.364	1.00
Colorado         57	105	0.352	3.00

Tie breakers
San Francisco wins the series with Los Angeles 8 games to 5

To construct the scenario, we start with the current standings in the division:
Team             W	L	GL	PCT	GB
Los Angeles      55	32	75	0.632	0.0
San Diego        46	40	76	0.535	8.5
San Francisco    46	41	75	0.529	9.0
Arizona          43	43	76	0.500	11.5
Colorado         19	67	76	0.221	35.5

Next, we show how the remaining series of games plays out in the scenario:

Arizona currently has 4 win(s) against Colorado and 2 loss(es).
Arizona wins 0 additional game(s) against Colorado and loses 7.
Arizona loses the series 4 games to 9.
Arizona wins 1 additional game(s) against teams outside the division and loses 45.

Arizona currently has 3 win(s) against Los Angeles and 4 loss(es).
Arizona wins 6 additional game(s) against Los Angeles and loses 0.
Arizona wins the series 9 games to 4.
Arizona wins 1 additional game(s) against teams outside the division and loses 45.

Arizona currently has 2 win(s) against San Diego and 1 loss(es).
Arizona wins 9 additional game(s) against San Diego and loses 1.
Arizona wins the series 11 games to 2.
Arizona wins 1 additional game(s) against teams outside the division and loses 45.

Arizona currently has 4 win(s) against San Francisco and 2 loss(es).
Arizona wins 0 additional game(s) against San Francisco and loses 7.
Arizona loses the series 4 games to 9.
Arizona wins 1 additional game(s) against teams outside the division and loses 45.

Colorado currently has 0 win(s) against Los Angeles and 6 loss(es).
Colorado wins 7 additional game(s) against Los Angeles and loses 0.
Colorado wins the series 7 games to 6.
Colorado wins 11 additional game(s) against teams outside the division and loses 38.

Colorado currently has 1 win(s) against San Diego and 5 loss(es).
Colorado wins 7 additional game(s) against San Diego and loses 0.
Colorado wins the series 8 games to 5.
Colorado wins 11 additional game(s) against teams outside the division and loses 38.

Colorado currently has 2 win(s) against San Francisco and 5 loss(es).
Colorado wins 6 additional game(s) against San Francisco and loses 0.
Colorado wins the series 8 games to 5.
Colorado wins 11 additional game(s) against teams outside the division and loses 38.

Los Angeles currently has 5 win(s) against San Diego and 2 loss(es).
Los Angeles wins 1 additional game(s) against San Diego and loses 5.
Los Angeles loses the series 6 games to 7.
Los Angeles wins 1 additional game(s) against teams outside the division and loses 45.

Los Angeles currently has 2 win(s) against San Francisco and 1 loss(es).
Los Angeles wins 3 additional game(s) against San Francisco and loses 7.
Los Angeles loses the series 5 games to 8.
Los Angeles wins 1 additional game(s) against teams outside the division and loses 45.

San Diego currently has 4 win(s) against San Francisco and 2 loss(es).
San Diego wins 7 additional game(s) against San Francisco and loses 0.
San Diego wins the series 11 games to 2.
San Diego wins 0 additional game(s) against teams outside the division and loses 46.

# San Francisco Giants' magic number
# San Francisco's magic number
# Giants' magic number
# MLB Playoff Race