Arizona Diamondbacks First-Place Eliminiation Scenario
Arizona must win 21 more games (32 total) to avoid elimination from first place.
Here are the final standings in a scenario in which Arizona finishes in first place with 32 wins:

Team             W	L	PCT	GB
Arizona          32	130	0.198	0.00
Colorado         31	131	0.191	1.00
San Francisco    31	131	0.191	1.00
Los Angeles      31	131	0.191	1.00
San Diego        31	131	0.191	1.00

To construct the scenario, we start with the current standings in the division:
Team             W	L	GL	PCT	GB
Los Angeles      13	11	138	0.542	0.0
San Diego        12	12	138	0.500	1.0
Arizona          11	12	139	0.478	1.5
San Francisco    10	13	139	0.435	2.5
Colorado         5	17	140	0.227	7.0

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

Arizona currently has 5 win(s) against Colorado and 2 loss(es).
Arizona wins 2 additional game(s) against Colorado and loses 4.
Arizona wins the series 7 games to 6.
Arizona wins 1 additional game(s) against teams outside the division and loses 97.

Arizona currently has 0 win(s) against Los Angeles and 0 loss(es).
Arizona wins 6 additional game(s) against Los Angeles and loses 7.
Arizona loses the series 6 games to 7.
Arizona wins 1 additional game(s) against teams outside the division and loses 97.

Arizona currently has 0 win(s) against San Diego and 0 loss(es).
Arizona wins 7 additional game(s) against San Diego and loses 6.
Arizona wins the series 7 games to 6.
Arizona wins 1 additional game(s) against teams outside the division and loses 97.

Arizona currently has 2 win(s) against San Francisco and 2 loss(es).
Arizona wins 5 additional game(s) against San Francisco and loses 4.
Arizona wins the series 7 games to 6.
Arizona wins 1 additional game(s) against teams outside the division and loses 97.

Colorado currently has 0 win(s) against Los Angeles and 0 loss(es).
Colorado wins 13 additional game(s) against Los Angeles and loses 0.
Colorado wins the series 13 games to 0.
Colorado wins 0 additional game(s) against teams outside the division and loses 95.

Colorado currently has 0 win(s) against San Diego and 0 loss(es).
Colorado wins 9 additional game(s) against San Diego and loses 4.
Colorado wins the series 9 games to 4.
Colorado wins 0 additional game(s) against teams outside the division and loses 95.

Colorado currently has 0 win(s) against San Francisco and 0 loss(es).
Colorado wins 0 additional game(s) against San Francisco and loses 13.
Colorado loses the series 0 games to 13.
Colorado wins 0 additional game(s) against teams outside the division and loses 95.

Los Angeles currently has 2 win(s) against San Diego and 3 loss(es).
Los Angeles wins 1 additional game(s) against San Diego and loses 7.
Los Angeles loses the series 3 games to 10.
Los Angeles wins 0 additional game(s) against teams outside the division and loses 94.

Los Angeles currently has 3 win(s) against San Francisco and 0 loss(es).
Los Angeles wins 10 additional game(s) against San Francisco and loses 0.
Los Angeles wins the series 13 games to 0.
Los Angeles wins 0 additional game(s) against teams outside the division and loses 94.

San Diego currently has 3 win(s) against San Francisco and 4 loss(es).
San Diego wins 2 additional game(s) against San Francisco and loses 4.
San Diego loses the series 5 games to 8.
San Diego wins 0 additional game(s) against teams outside the division and loses 98.

# Arizona Diamondbacks' magic number
# Arizona's magic number
# Diamondbacks' magic number
# MLB Playoff Race